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Finding the Fourth Proportional to 9,040.62, 12,475.80 and 5,062.08

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Solution

The fourth proportional to 9,040.62, 12,475.80 and 5,062.08 is: 6,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,040.62 : 12,475.80 = 5,062.08 : x
  2. Step 2: Convert to fraction form
    9,040.62/12,475.80 = 5,062.08/x
  3. Step 3: Cross multiply
    9,040.62x = 12,475.80 × 5,062.08
  4. Step 4: Simplify right side
    9,040.62x = 63,153,497.66
  5. Step 5: Solve for x
    x = 63,153,497.66/9,040.62
  6. Step 6: Final answer
    x = 6,985.53

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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.