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Finding the Fourth Proportional to 42,065.68, 63,098.52 and 14,363.68

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Solution

The fourth proportional to 42,065.68, 63,098.52 and 14,363.68 is: 21,545.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,065.68 : 63,098.52 = 14,363.68 : x
  2. Step 2: Convert to fraction form
    42,065.68/63,098.52 = 14,363.68/x
  3. Step 3: Cross multiply
    42,065.68x = 63,098.52 × 14,363.68
  4. Step 4: Simplify right side
    42,065.68x = 906,326,949.75
  5. Step 5: Solve for x
    x = 906,326,949.75/42,065.68
  6. Step 6: Final answer
    x = 21,545.52

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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.