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Finding the Fourth Proportional to 38,996.39, 53,815.02 and 22,004.23

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Solution

The fourth proportional to 38,996.39, 53,815.02 and 22,004.23 is: 30,365.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,996.39 : 53,815.02 = 22,004.23 : x
  2. Step 2: Convert to fraction form
    38,996.39/53,815.02 = 22,004.23/x
  3. Step 3: Cross multiply
    38,996.39x = 53,815.02 × 22,004.23
  4. Step 4: Simplify right side
    38,996.39x = 1,184,158,077.53
  5. Step 5: Solve for x
    x = 1,184,158,077.53/38,996.39
  6. Step 6: Final answer
    x = 30,365.84

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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.