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Finding the Fourth Proportional to 10,625.52, 15,956.10 and 7,993.02

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Solution

The fourth proportional to 10,625.52, 15,956.10 and 7,993.02 is: 12,002.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,625.52 : 15,956.10 = 7,993.02 : x
  2. Step 2: Convert to fraction form
    10,625.52/15,956.10 = 7,993.02/x
  3. Step 3: Cross multiply
    10,625.52x = 15,956.10 × 7,993.02
  4. Step 4: Simplify right side
    10,625.52x = 127,537,426.42
  5. Step 5: Solve for x
    x = 127,537,426.42/10,625.52
  6. Step 6: Final answer
    x = 12,002.94

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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.