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Finding the Fourth Proportional to 36,655.68, 54,985.16 and 26,691.48

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Solution

The fourth proportional to 36,655.68, 54,985.16 and 26,691.48 is: 40,038.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,655.68 : 54,985.16 = 26,691.48 : x
  2. Step 2: Convert to fraction form
    36,655.68/54,985.16 = 26,691.48/x
  3. Step 3: Cross multiply
    36,655.68x = 54,985.16 × 26,691.48
  4. Step 4: Simplify right side
    36,655.68x = 1,467,635,298.44
  5. Step 5: Solve for x
    x = 1,467,635,298.44/36,655.68
  6. Step 6: Final answer
    x = 40,038.41

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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.