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Finding the Fourth Proportional to 19,572.93, 29,363.87 and 8,481.47

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Solution

The fourth proportional to 19,572.93, 29,363.87 and 8,481.47 is: 12,724.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,572.93 : 29,363.87 = 8,481.47 : x
  2. Step 2: Convert to fraction form
    19,572.93/29,363.87 = 8,481.47/x
  3. Step 3: Cross multiply
    19,572.93x = 29,363.87 × 8,481.47
  4. Step 4: Simplify right side
    19,572.93x = 249,048,593.26
  5. Step 5: Solve for x
    x = 249,048,593.26/19,572.93
  6. Step 6: Final answer
    x = 12,724.13

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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.