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Finding the Fourth Proportional to 54,710.70, 82,064.85 and 15,266.70

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Solution

The fourth proportional to 54,710.70, 82,064.85 and 15,266.70 is: 22,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,710.70 : 82,064.85 = 15,266.70 : x
  2. Step 2: Convert to fraction form
    54,710.70/82,064.85 = 15,266.70/x
  3. Step 3: Cross multiply
    54,710.70x = 82,064.85 × 15,266.70
  4. Step 4: Simplify right side
    54,710.70x = 1,252,859,445.50
  5. Step 5: Solve for x
    x = 1,252,859,445.50/54,710.70
  6. Step 6: Final answer
    x = 22,899.72

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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.