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Finding the Fourth Proportional to 12,343.22, 17,026.71 and 7,565.48

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Solution

The fourth proportional to 12,343.22, 17,026.71 and 7,565.48 is: 10,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.22 : 17,026.71 = 7,565.48 : x
  2. Step 2: Convert to fraction form
    12,343.22/17,026.71 = 7,565.48/x
  3. Step 3: Cross multiply
    12,343.22x = 17,026.71 × 7,565.48
  4. Step 4: Simplify right side
    12,343.22x = 128,815,233.97
  5. Step 5: Solve for x
    x = 128,815,233.97/12,343.22
  6. Step 6: Final answer
    x = 10,436.11

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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.