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Finding the Fourth Proportional to 8,882.56, 13,319.12 and 3,953.60

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Solution

The fourth proportional to 8,882.56, 13,319.12 and 3,953.60 is: 5,928.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.56 : 13,319.12 = 3,953.60 : x
  2. Step 2: Convert to fraction form
    8,882.56/13,319.12 = 3,953.60/x
  3. Step 3: Cross multiply
    8,882.56x = 13,319.12 × 3,953.60
  4. Step 4: Simplify right side
    8,882.56x = 52,658,472.83
  5. Step 5: Solve for x
    x = 52,658,472.83/8,882.56
  6. Step 6: Final answer
    x = 5,928.30

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1.5x scale

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.