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Finding the Fourth Proportional to 8,956.01, 13,432.95 and 2,715.77

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Solution

The fourth proportional to 8,956.01, 13,432.95 and 2,715.77 is: 4,073.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,956.01 : 13,432.95 = 2,715.77 : x
  2. Step 2: Convert to fraction form
    8,956.01/13,432.95 = 2,715.77/x
  3. Step 3: Cross multiply
    8,956.01x = 13,432.95 × 2,715.77
  4. Step 4: Simplify right side
    8,956.01x = 36,480,836.20
  5. Step 5: Solve for x
    x = 36,480,836.20/8,956.01
  6. Step 6: Final answer
    x = 4,073.33

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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.