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Finding the Fourth Proportional to 7,008.70, 9,672.68 and 5,237.24

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Solution

The fourth proportional to 7,008.70, 9,672.68 and 5,237.24 is: 7,227.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.70 : 9,672.68 = 5,237.24 : x
  2. Step 2: Convert to fraction form
    7,008.70/9,672.68 = 5,237.24/x
  3. Step 3: Cross multiply
    7,008.70x = 9,672.68 × 5,237.24
  4. Step 4: Simplify right side
    7,008.70x = 50,658,146.60
  5. Step 5: Solve for x
    x = 50,658,146.60/7,008.70
  6. Step 6: Final answer
    x = 7,227.89

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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.