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Finding the Fourth Proportional to 8,468.44, 12,702.72 and 2,624.92

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Solution

The fourth proportional to 8,468.44, 12,702.72 and 2,624.92 is: 3,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.44 : 12,702.72 = 2,624.92 : x
  2. Step 2: Convert to fraction form
    8,468.44/12,702.72 = 2,624.92/x
  3. Step 3: Cross multiply
    8,468.44x = 12,702.72 × 2,624.92
  4. Step 4: Simplify right side
    8,468.44x = 33,343,623.78
  5. Step 5: Solve for x
    x = 33,343,623.78/8,468.44
  6. Step 6: Final answer
    x = 3,937.40

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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.