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Finding the Fourth Proportional to 12,635.52, 17,426.52 and 9,486.24

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Solution

The fourth proportional to 12,635.52, 17,426.52 and 9,486.24 is: 13,083.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,635.52 : 17,426.52 = 9,486.24 : x
  2. Step 2: Convert to fraction form
    12,635.52/17,426.52 = 9,486.24/x
  3. Step 3: Cross multiply
    12,635.52x = 17,426.52 × 9,486.24
  4. Step 4: Simplify right side
    12,635.52x = 165,312,151.08
  5. Step 5: Solve for x
    x = 165,312,151.08/12,635.52
  6. Step 6: Final answer
    x = 13,083.13

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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.