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Finding the Fourth Proportional to 35,600.84, 53,404.91 and 13,432.87

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Solution

The fourth proportional to 35,600.84, 53,404.91 and 13,432.87 is: 20,150.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,600.84 : 53,404.91 = 13,432.87 : x
  2. Step 2: Convert to fraction form
    35,600.84/53,404.91 = 13,432.87/x
  3. Step 3: Cross multiply
    35,600.84x = 53,404.91 × 13,432.87
  4. Step 4: Simplify right side
    35,600.84x = 717,380,879.20
  5. Step 5: Solve for x
    x = 717,380,879.20/35,600.84
  6. Step 6: Final answer
    x = 20,150.68

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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.