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Finding the Fourth Proportional to 15,649.03, 21,595.68 and 8,575.47

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Solution

The fourth proportional to 15,649.03, 21,595.68 and 8,575.47 is: 11,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,649.03 : 21,595.68 = 8,575.47 : x
  2. Step 2: Convert to fraction form
    15,649.03/21,595.68 = 8,575.47/x
  3. Step 3: Cross multiply
    15,649.03x = 21,595.68 × 8,575.47
  4. Step 4: Simplify right side
    15,649.03x = 185,193,105.97
  5. Step 5: Solve for x
    x = 185,193,105.97/15,649.03
  6. Step 6: Final answer
    x = 11,834.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.