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Finding the Fourth Proportional to 12,500.92, 18,751.47 and 3,735.91

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Solution

The fourth proportional to 12,500.92, 18,751.47 and 3,735.91 is: 5,603.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,500.92 : 18,751.47 = 3,735.91 : x
  2. Step 2: Convert to fraction form
    12,500.92/18,751.47 = 3,735.91/x
  3. Step 3: Cross multiply
    12,500.92x = 18,751.47 × 3,735.91
  4. Step 4: Simplify right side
    12,500.92x = 70,053,710.53
  5. Step 5: Solve for x
    x = 70,053,710.53/12,500.92
  6. Step 6: Final answer
    x = 5,603.89

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1.5x scale

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.