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Finding the Fourth Proportional to 5,574.54, 7,691.31 and 4,391.94

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Solution

The fourth proportional to 5,574.54, 7,691.31 and 4,391.94 is: 6,059.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,574.54 : 7,691.31 = 4,391.94 : x
  2. Step 2: Convert to fraction form
    5,574.54/7,691.31 = 4,391.94/x
  3. Step 3: Cross multiply
    5,574.54x = 7,691.31 × 4,391.94
  4. Step 4: Simplify right side
    5,574.54x = 33,779,772.04
  5. Step 5: Solve for x
    x = 33,779,772.04/5,574.54
  6. Step 6: Final answer
    x = 6,059.65

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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.