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Finding the Fourth Proportional to 30,545.73, 45,825.78 and 9,484.71

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Solution

The fourth proportional to 30,545.73, 45,825.78 and 9,484.71 is: 14,229.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,545.73 : 45,825.78 = 9,484.71 : x
  2. Step 2: Convert to fraction form
    30,545.73/45,825.78 = 9,484.71/x
  3. Step 3: Cross multiply
    30,545.73x = 45,825.78 × 9,484.71
  4. Step 4: Simplify right side
    30,545.73x = 434,644,233.82
  5. Step 5: Solve for x
    x = 434,644,233.82/30,545.73
  6. Step 6: Final answer
    x = 14,229.30

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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.