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Finding the Fourth Proportional to 61,983.50, 93,312.50 and 56,472.26

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Solution

The fourth proportional to 61,983.50, 93,312.50 and 56,472.26 is: 85,015.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,983.50 : 93,312.50 = 56,472.26 : x
  2. Step 2: Convert to fraction form
    61,983.50/93,312.50 = 56,472.26/x
  3. Step 3: Cross multiply
    61,983.50x = 93,312.50 × 56,472.26
  4. Step 4: Simplify right side
    61,983.50x = 5,269,567,761.25
  5. Step 5: Solve for x
    x = 5,269,567,761.25/61,983.50
  6. Step 6: Final answer
    x = 85,015.65

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.