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Finding the Fourth Proportional to 40,608.87, 60,931.49 and 25,813.95

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Solution

The fourth proportional to 40,608.87, 60,931.49 and 25,813.95 is: 38,732.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,608.87 : 60,931.49 = 25,813.95 : x
  2. Step 2: Convert to fraction form
    40,608.87/60,931.49 = 25,813.95/x
  3. Step 3: Cross multiply
    40,608.87x = 60,931.49 × 25,813.95
  4. Step 4: Simplify right side
    40,608.87x = 1,572,882,307.22
  5. Step 5: Solve for x
    x = 1,572,882,307.22/40,608.87
  6. Step 6: Final answer
    x = 38,732.48

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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.