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Finding the Fourth Proportional to 48,545.93, 66,974.14 and 29,693.99

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Solution

The fourth proportional to 48,545.93, 66,974.14 and 29,693.99 is: 40,965.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,545.93 : 66,974.14 = 29,693.99 : x
  2. Step 2: Convert to fraction form
    48,545.93/66,974.14 = 29,693.99/x
  3. Step 3: Cross multiply
    48,545.93x = 66,974.14 × 29,693.99
  4. Step 4: Simplify right side
    48,545.93x = 1,988,729,647.97
  5. Step 5: Solve for x
    x = 1,988,729,647.97/48,545.93
  6. Step 6: Final answer
    x = 40,965.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.