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Finding the Fourth Proportional to 38,902.66, 53,572.68 and 33,795.85

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Solution

The fourth proportional to 38,902.66, 53,572.68 and 33,795.85 is: 46,540.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,902.66 : 53,572.68 = 33,795.85 : x
  2. Step 2: Convert to fraction form
    38,902.66/53,572.68 = 33,795.85/x
  3. Step 3: Cross multiply
    38,902.66x = 53,572.68 × 33,795.85
  4. Step 4: Simplify right side
    38,902.66x = 1,810,533,905.02
  5. Step 5: Solve for x
    x = 1,810,533,905.02/38,902.66
  6. Step 6: Final answer
    x = 46,540.11

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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.