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Finding the Fourth Proportional to 48,614.99, 67,119.65 and 39,683.73

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Solution

The fourth proportional to 48,614.99, 67,119.65 and 39,683.73 is: 54,788.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,614.99 : 67,119.65 = 39,683.73 : x
  2. Step 2: Convert to fraction form
    48,614.99/67,119.65 = 39,683.73/x
  3. Step 3: Cross multiply
    48,614.99x = 67,119.65 × 39,683.73
  4. Step 4: Simplify right side
    48,614.99x = 2,663,557,534.28
  5. Step 5: Solve for x
    x = 2,663,557,534.28/48,614.99
  6. Step 6: Final answer
    x = 54,788.81

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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.