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Finding the Fourth Proportional to 11,573.12, 17,275.90 and 10,171.88

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Solution

The fourth proportional to 11,573.12, 17,275.90 and 10,171.88 is: 15,184.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,573.12 : 17,275.90 = 10,171.88 : x
  2. Step 2: Convert to fraction form
    11,573.12/17,275.90 = 10,171.88/x
  3. Step 3: Cross multiply
    11,573.12x = 17,275.90 × 10,171.88
  4. Step 4: Simplify right side
    11,573.12x = 175,728,381.69
  5. Step 5: Solve for x
    x = 175,728,381.69/11,573.12
  6. Step 6: Final answer
    x = 15,184.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.