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Finding the Fourth Proportional to 9,699.56, 13,385.96 and 5,452

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Solution

The fourth proportional to 9,699.56, 13,385.96 and 5,452 is: 7,524.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.56 : 13,385.96 = 5,452 : x
  2. Step 2: Convert to fraction form
    9,699.56/13,385.96 = 5,452/x
  3. Step 3: Cross multiply
    9,699.56x = 13,385.96 × 5,452
  4. Step 4: Simplify right side
    9,699.56x = 72,980,253.92
  5. Step 5: Solve for x
    x = 72,980,253.92/9,699.56
  6. Step 6: Final answer
    x = 7,524.08

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Why These Related Problems?

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