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Finding the Fourth Proportional to 7,591.56, 10,472.40 and 5,070.84

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Solution

The fourth proportional to 7,591.56, 10,472.40 and 5,070.84 is: 6,995.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,591.56 : 10,472.40 = 5,070.84 : x
  2. Step 2: Convert to fraction form
    7,591.56/10,472.40 = 5,070.84/x
  3. Step 3: Cross multiply
    7,591.56x = 10,472.40 × 5,070.84
  4. Step 4: Simplify right side
    7,591.56x = 53,103,864.82
  5. Step 5: Solve for x
    x = 53,103,864.82/7,591.56
  6. Step 6: Final answer
    x = 6,995.12

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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.