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Finding the Fourth Proportional to 7,008.40, 9,665.76 and 5,244.22

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Solution

The fourth proportional to 7,008.40, 9,665.76 and 5,244.22 is: 7,232.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,008.40 : 9,665.76 = 5,244.22 : x
  2. Step 2: Convert to fraction form
    7,008.40/9,665.76 = 5,244.22/x
  3. Step 3: Cross multiply
    7,008.40x = 9,665.76 × 5,244.22
  4. Step 4: Simplify right side
    7,008.40x = 50,689,371.91
  5. Step 5: Solve for x
    x = 50,689,371.91/7,008.40
  6. Step 6: Final answer
    x = 7,232.66

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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.