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Finding the Fourth Proportional to 26,472.69, 39,713.90 and 9,844.20

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Solution

The fourth proportional to 26,472.69, 39,713.90 and 9,844.20 is: 14,768.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,472.69 : 39,713.90 = 9,844.20 : x
  2. Step 2: Convert to fraction form
    26,472.69/39,713.90 = 9,844.20/x
  3. Step 3: Cross multiply
    26,472.69x = 39,713.90 × 9,844.20
  4. Step 4: Simplify right side
    26,472.69x = 390,951,525.16
  5. Step 5: Solve for x
    x = 390,951,525.16/26,472.69
  6. Step 6: Final answer
    x = 14,768.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.