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Finding the Fourth Proportional to 5,472.40, 7,532.86 and 4,772.56

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Solution

The fourth proportional to 5,472.40, 7,532.86 and 4,772.56 is: 6,569.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,472.40 : 7,532.86 = 4,772.56 : x
  2. Step 2: Convert to fraction form
    5,472.40/7,532.86 = 4,772.56/x
  3. Step 3: Cross multiply
    5,472.40x = 7,532.86 × 4,772.56
  4. Step 4: Simplify right side
    5,472.40x = 35,951,026.32
  5. Step 5: Solve for x
    x = 35,951,026.32/5,472.40
  6. Step 6: Final answer
    x = 6,569.52

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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.