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Finding the Fourth Proportional to 26,926.52, 40,386.92 and 7,207.08

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Solution

The fourth proportional to 26,926.52, 40,386.92 and 7,207.08 is: 10,809.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,926.52 : 40,386.92 = 7,207.08 : x
  2. Step 2: Convert to fraction form
    26,926.52/40,386.92 = 7,207.08/x
  3. Step 3: Cross multiply
    26,926.52x = 40,386.92 × 7,207.08
  4. Step 4: Simplify right side
    26,926.52x = 291,071,763.39
  5. Step 5: Solve for x
    x = 291,071,763.39/26,926.52
  6. Step 6: Final answer
    x = 10,809.85

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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.