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Finding the Fourth Proportional to 59,354.86, 89,068.12 and 31,295.66

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Solution

The fourth proportional to 59,354.86, 89,068.12 and 31,295.66 is: 46,962.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,354.86 : 89,068.12 = 31,295.66 : x
  2. Step 2: Convert to fraction form
    59,354.86/89,068.12 = 31,295.66/x
  3. Step 3: Cross multiply
    59,354.86x = 89,068.12 × 31,295.66
  4. Step 4: Simplify right side
    59,354.86x = 2,787,445,600.36
  5. Step 5: Solve for x
    x = 2,787,445,600.36/59,354.86
  6. Step 6: Final answer
    x = 46,962.38

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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.