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Finding the Fourth Proportional to 57,392.84, 79,217.76 and 37,248.55

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Solution

The fourth proportional to 57,392.84, 79,217.76 and 37,248.55 is: 51,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,392.84 : 79,217.76 = 37,248.55 : x
  2. Step 2: Convert to fraction form
    57,392.84/79,217.76 = 37,248.55/x
  3. Step 3: Cross multiply
    57,392.84x = 79,217.76 × 37,248.55
  4. Step 4: Simplify right side
    57,392.84x = 2,950,746,694.25
  5. Step 5: Solve for x
    x = 2,950,746,694.25/57,392.84
  6. Step 6: Final answer
    x = 51,413.15

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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.