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Finding the Fourth Proportional to 12,633.59, 17,442.47 and 11,304.99

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Solution

The fourth proportional to 12,633.59, 17,442.47 and 11,304.99 is: 15,608.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,633.59 : 17,442.47 = 11,304.99 : x
  2. Step 2: Convert to fraction form
    12,633.59/17,442.47 = 11,304.99/x
  3. Step 3: Cross multiply
    12,633.59x = 17,442.47 × 11,304.99
  4. Step 4: Simplify right side
    12,633.59x = 197,186,948.93
  5. Step 5: Solve for x
    x = 197,186,948.93/12,633.59
  6. Step 6: Final answer
    x = 15,608.15

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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.