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Finding the Fourth Proportional to 48,937.50, 67,539.51 and 29,065.50

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Solution

The fourth proportional to 48,937.50, 67,539.51 and 29,065.50 is: 40,113.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,937.50 : 67,539.51 = 29,065.50 : x
  2. Step 2: Convert to fraction form
    48,937.50/67,539.51 = 29,065.50/x
  3. Step 3: Cross multiply
    48,937.50x = 67,539.51 × 29,065.50
  4. Step 4: Simplify right side
    48,937.50x = 1,963,069,627.91
  5. Step 5: Solve for x
    x = 1,963,069,627.91/48,937.50
  6. Step 6: Final answer
    x = 40,113.81

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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.