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Finding the Fourth Proportional to 48,711.66, 67,220.73 and 27,492.90

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Solution

The fourth proportional to 48,711.66, 67,220.73 and 27,492.90 is: 37,939.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,711.66 : 67,220.73 = 27,492.90 : x
  2. Step 2: Convert to fraction form
    48,711.66/67,220.73 = 27,492.90/x
  3. Step 3: Cross multiply
    48,711.66x = 67,220.73 × 27,492.90
  4. Step 4: Simplify right side
    48,711.66x = 1,848,092,807.82
  5. Step 5: Solve for x
    x = 1,848,092,807.82/48,711.66
  6. Step 6: Final answer
    x = 37,939.43

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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.