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Finding the Fourth Proportional to 15,699.42, 23,552.78 and 4,605.66

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Solution

The fourth proportional to 15,699.42, 23,552.78 and 4,605.66 is: 6,909.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,699.42 : 23,552.78 = 4,605.66 : x
  2. Step 2: Convert to fraction form
    15,699.42/23,552.78 = 4,605.66/x
  3. Step 3: Cross multiply
    15,699.42x = 23,552.78 × 4,605.66
  4. Step 4: Simplify right side
    15,699.42x = 108,476,073.71
  5. Step 5: Solve for x
    x = 108,476,073.71/15,699.42
  6. Step 6: Final answer
    x = 6,909.56

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