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Finding the Fourth Proportional to 65,641.50, 97,950.03 and 58,572.90

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Solution

The fourth proportional to 65,641.50, 97,950.03 and 58,572.90 is: 87,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,641.50 : 97,950.03 = 58,572.90 : x
  2. Step 2: Convert to fraction form
    65,641.50/97,950.03 = 58,572.90/x
  3. Step 3: Cross multiply
    65,641.50x = 97,950.03 × 58,572.90
  4. Step 4: Simplify right side
    65,641.50x = 5,737,217,019.32
  5. Step 5: Solve for x
    x = 5,737,217,019.32/65,641.50
  6. Step 6: Final answer
    x = 87,402.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.