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Finding the Fourth Proportional to 73,946.80, 110,833.80 and 38,868.40

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Solution

The fourth proportional to 73,946.80, 110,833.80 and 38,868.40 is: 58,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,946.80 : 110,833.80 = 38,868.40 : x
  2. Step 2: Convert to fraction form
    73,946.80/110,833.80 = 38,868.40/x
  3. Step 3: Cross multiply
    73,946.80x = 110,833.80 × 38,868.40
  4. Step 4: Simplify right side
    73,946.80x = 4,307,932,471.92
  5. Step 5: Solve for x
    x = 4,307,932,471.92/73,946.80
  6. Step 6: Final answer
    x = 58,257.19

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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.