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Finding the Fourth Proportional to 55,314.70, 82,753.35 and 48,000.40

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Solution

The fourth proportional to 55,314.70, 82,753.35 and 48,000.40 is: 71,810.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,314.70 : 82,753.35 = 48,000.40 : x
  2. Step 2: Convert to fraction form
    55,314.70/82,753.35 = 48,000.40/x
  3. Step 3: Cross multiply
    55,314.70x = 82,753.35 × 48,000.40
  4. Step 4: Simplify right side
    55,314.70x = 3,972,193,901.34
  5. Step 5: Solve for x
    x = 3,972,193,901.34/55,314.70
  6. Step 6: Final answer
    x = 71,810.82

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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.