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Finding the Fourth Proportional to 38,851.96, 53,615.46 and 22,084.96

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Solution

The fourth proportional to 38,851.96, 53,615.46 and 22,084.96 is: 30,477.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,851.96 : 53,615.46 = 22,084.96 : x
  2. Step 2: Convert to fraction form
    38,851.96/53,615.46 = 22,084.96/x
  3. Step 3: Cross multiply
    38,851.96x = 53,615.46 × 22,084.96
  4. Step 4: Simplify right side
    38,851.96x = 1,184,095,289.48
  5. Step 5: Solve for x
    x = 1,184,095,289.48/38,851.96
  6. Step 6: Final answer
    x = 30,477.11

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.