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Finding the Fourth Proportional to 12,527.71, 17,276.31 and 7,491.11

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Solution

The fourth proportional to 12,527.71, 17,276.31 and 7,491.11 is: 10,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,527.71 : 17,276.31 = 7,491.11 : x
  2. Step 2: Convert to fraction form
    12,527.71/17,276.31 = 7,491.11/x
  3. Step 3: Cross multiply
    12,527.71x = 17,276.31 × 7,491.11
  4. Step 4: Simplify right side
    12,527.71x = 129,418,738.60
  5. Step 5: Solve for x
    x = 129,418,738.60/12,527.71
  6. Step 6: Final answer
    x = 10,330.60

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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.