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Finding the Fourth Proportional to 67,712.52, 101,364.66 and 36,453

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Solution

The fourth proportional to 67,712.52, 101,364.66 and 36,453 is: 54,569.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,712.52 : 101,364.66 = 36,453 : x
  2. Step 2: Convert to fraction form
    67,712.52/101,364.66 = 36,453/x
  3. Step 3: Cross multiply
    67,712.52x = 101,364.66 × 36,453
  4. Step 4: Simplify right side
    67,712.52x = 3,695,045,950.98
  5. Step 5: Solve for x
    x = 3,695,045,950.98/67,712.52
  6. Step 6: Final answer
    x = 54,569.61

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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.