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Finding the Fourth Proportional to 7,008.57, 9,672.51 and 5,237.10

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Solution

The fourth proportional to 7,008.57, 9,672.51 and 5,237.10 is: 7,227.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.57 : 9,672.51 = 5,237.10 : x
  2. Step 2: Convert to fraction form
    7,008.57/9,672.51 = 5,237.10/x
  3. Step 3: Cross multiply
    7,008.57x = 9,672.51 × 5,237.10
  4. Step 4: Simplify right side
    7,008.57x = 50,655,902.12
  5. Step 5: Solve for x
    x = 50,655,902.12/7,008.57
  6. Step 6: Final answer
    x = 7,227.71

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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.