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Finding the Fourth Proportional to 9,062.78, 13,594.98 and 3,515.99

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Solution

The fourth proportional to 9,062.78, 13,594.98 and 3,515.99 is: 5,274.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,062.78 : 13,594.98 = 3,515.99 : x
  2. Step 2: Convert to fraction form
    9,062.78/13,594.98 = 3,515.99/x
  3. Step 3: Cross multiply
    9,062.78x = 13,594.98 × 3,515.99
  4. Step 4: Simplify right side
    9,062.78x = 47,799,813.73
  5. Step 5: Solve for x
    x = 47,799,813.73/9,062.78
  6. Step 6: Final answer
    x = 5,274.30

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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.