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Finding the Fourth Proportional to 10,671, 14,718.29 and 9,252.15

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Solution

The fourth proportional to 10,671, 14,718.29 and 9,252.15 is: 12,761.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671 : 14,718.29 = 9,252.15 : x
  2. Step 2: Convert to fraction form
    10,671/14,718.29 = 9,252.15/x
  3. Step 3: Cross multiply
    10,671x = 14,718.29 × 9,252.15
  4. Step 4: Simplify right side
    10,671x = 136,175,780.56
  5. Step 5: Solve for x
    x = 136,175,780.56/10,671
  6. Step 6: Final answer
    x = 12,761.30

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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.