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Finding the Fourth Proportional to 12,374.46, 17,071.02 and 9,011.88

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Solution

The fourth proportional to 12,374.46, 17,071.02 and 9,011.88 is: 12,432.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,374.46 : 17,071.02 = 9,011.88 : x
  2. Step 2: Convert to fraction form
    12,374.46/17,071.02 = 9,011.88/x
  3. Step 3: Cross multiply
    12,374.46x = 17,071.02 × 9,011.88
  4. Step 4: Simplify right side
    12,374.46x = 153,841,983.72
  5. Step 5: Solve for x
    x = 153,841,983.72/12,374.46
  6. Step 6: Final answer
    x = 12,432.22

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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.