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Finding the Fourth Proportional to 8,352.96, 12,527.28 and 3,158.88

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Solution

The fourth proportional to 8,352.96, 12,527.28 and 3,158.88 is: 4,737.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.96 : 12,527.28 = 3,158.88 : x
  2. Step 2: Convert to fraction form
    8,352.96/12,527.28 = 3,158.88/x
  3. Step 3: Cross multiply
    8,352.96x = 12,527.28 × 3,158.88
  4. Step 4: Simplify right side
    8,352.96x = 39,572,174.25
  5. Step 5: Solve for x
    x = 39,572,174.25/8,352.96
  6. Step 6: Final answer
    x = 4,737.50

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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.