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Finding the Fourth Proportional to 60,137.38, 82,990.94 and 38,953.52

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Solution

The fourth proportional to 60,137.38, 82,990.94 and 38,953.52 is: 53,756.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,137.38 : 82,990.94 = 38,953.52 : x
  2. Step 2: Convert to fraction form
    60,137.38/82,990.94 = 38,953.52/x
  3. Step 3: Cross multiply
    60,137.38x = 82,990.94 × 38,953.52
  4. Step 4: Simplify right side
    60,137.38x = 3,232,788,631.39
  5. Step 5: Solve for x
    x = 3,232,788,631.39/60,137.38
  6. Step 6: Final answer
    x = 53,756.73

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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.