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Finding the Fourth Proportional to 15,008.71, 22,527.18 and 7,618.47

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Solution

The fourth proportional to 15,008.71, 22,527.18 and 7,618.47 is: 11,434.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,008.71 : 22,527.18 = 7,618.47 : x
  2. Step 2: Convert to fraction form
    15,008.71/22,527.18 = 7,618.47/x
  3. Step 3: Cross multiply
    15,008.71x = 22,527.18 × 7,618.47
  4. Step 4: Simplify right side
    15,008.71x = 171,622,645.01
  5. Step 5: Solve for x
    x = 171,622,645.01/15,008.71
  6. Step 6: Final answer
    x = 11,434.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.