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Finding the Fourth Proportional to 56,274.76, 84,248.11 and 48,755.13

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Solution

The fourth proportional to 56,274.76, 84,248.11 and 48,755.13 is: 72,990.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,274.76 : 84,248.11 = 48,755.13 : x
  2. Step 2: Convert to fraction form
    56,274.76/84,248.11 = 48,755.13/x
  3. Step 3: Cross multiply
    56,274.76x = 84,248.11 × 48,755.13
  4. Step 4: Simplify right side
    56,274.76x = 4,107,527,555.30
  5. Step 5: Solve for x
    x = 4,107,527,555.30/56,274.76
  6. Step 6: Final answer
    x = 72,990.58

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1.5x scale

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.