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Finding the Fourth Proportional to 57,335.66, 86,004.48 and 19,897.04

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Solution

The fourth proportional to 57,335.66, 86,004.48 and 19,897.04 is: 29,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,335.66 : 86,004.48 = 19,897.04 : x
  2. Step 2: Convert to fraction form
    57,335.66/86,004.48 = 19,897.04/x
  3. Step 3: Cross multiply
    57,335.66x = 86,004.48 × 19,897.04
  4. Step 4: Simplify right side
    57,335.66x = 1,711,234,578.74
  5. Step 5: Solve for x
    x = 1,711,234,578.74/57,335.66
  6. Step 6: Final answer
    x = 29,845.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.