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Finding the Fourth Proportional to 14,752.78, 22,129.17 and 4,363.72

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Solution

The fourth proportional to 14,752.78, 22,129.17 and 4,363.72 is: 6,545.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,752.78 : 22,129.17 = 4,363.72 : x
  2. Step 2: Convert to fraction form
    14,752.78/22,129.17 = 4,363.72/x
  3. Step 3: Cross multiply
    14,752.78x = 22,129.17 × 4,363.72
  4. Step 4: Simplify right side
    14,752.78x = 96,565,501.71
  5. Step 5: Solve for x
    x = 96,565,501.71/14,752.78
  6. Step 6: Final answer
    x = 6,545.58

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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.