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Finding the Fourth Proportional to 48,689.78, 67,191.80 and 27,468.99

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Solution

The fourth proportional to 48,689.78, 67,191.80 and 27,468.99 is: 37,907.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,689.78 : 67,191.80 = 27,468.99 : x
  2. Step 2: Convert to fraction form
    48,689.78/67,191.80 = 27,468.99/x
  3. Step 3: Cross multiply
    48,689.78x = 67,191.80 × 27,468.99
  4. Step 4: Simplify right side
    48,689.78x = 1,845,690,744.94
  5. Step 5: Solve for x
    x = 1,845,690,744.94/48,689.78
  6. Step 6: Final answer
    x = 37,907.15

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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.