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Finding the Fourth Proportional to 10,372, 15,559.56 and 3,349.66

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Solution

The fourth proportional to 10,372, 15,559.56 and 3,349.66 is: 5,024.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,372 : 15,559.56 = 3,349.66 : x
  2. Step 2: Convert to fraction form
    10,372/15,559.56 = 3,349.66/x
  3. Step 3: Cross multiply
    10,372x = 15,559.56 × 3,349.66
  4. Step 4: Simplify right side
    10,372x = 52,119,235.75
  5. Step 5: Solve for x
    x = 52,119,235.75/10,372
  6. Step 6: Final answer
    x = 5,024.99

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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.