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Finding the Fourth Proportional to 59,458.60, 89,042.10 and 39,629.80

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Solution

The fourth proportional to 59,458.60, 89,042.10 and 39,629.80 is: 59,347.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,458.60 : 89,042.10 = 39,629.80 : x
  2. Step 2: Convert to fraction form
    59,458.60/89,042.10 = 39,629.80/x
  3. Step 3: Cross multiply
    59,458.60x = 89,042.10 × 39,629.80
  4. Step 4: Simplify right side
    59,458.60x = 3,528,720,614.58
  5. Step 5: Solve for x
    x = 3,528,720,614.58/59,458.60
  6. Step 6: Final answer
    x = 59,347.52

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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.