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Finding the Fourth Proportional to 7,573.76, 10,456.13 and 5,064.17

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Solution

The fourth proportional to 7,573.76, 10,456.13 and 5,064.17 is: 6,991.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,573.76 : 10,456.13 = 5,064.17 : x
  2. Step 2: Convert to fraction form
    7,573.76/10,456.13 = 5,064.17/x
  3. Step 3: Cross multiply
    7,573.76x = 10,456.13 × 5,064.17
  4. Step 4: Simplify right side
    7,573.76x = 52,951,542.26
  5. Step 5: Solve for x
    x = 52,951,542.26/7,573.76
  6. Step 6: Final answer
    x = 6,991.45

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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.