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Finding the Fourth Proportional to 6,555.57, 9,044.13 and 4,318.54

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Solution

The fourth proportional to 6,555.57, 9,044.13 and 4,318.54 is: 5,957.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,555.57 : 9,044.13 = 4,318.54 : x
  2. Step 2: Convert to fraction form
    6,555.57/9,044.13 = 4,318.54/x
  3. Step 3: Cross multiply
    6,555.57x = 9,044.13 × 4,318.54
  4. Step 4: Simplify right side
    6,555.57x = 39,057,437.17
  5. Step 5: Solve for x
    x = 39,057,437.17/6,555.57
  6. Step 6: Final answer
    x = 5,957.90

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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.