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Finding the Fourth Proportional to 8,145.01, 12,219.00 and 3,702.97

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Solution

The fourth proportional to 8,145.01, 12,219.00 and 3,702.97 is: 5,555.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.01 : 12,219.00 = 3,702.97 : x
  2. Step 2: Convert to fraction form
    8,145.01/12,219.00 = 3,702.97/x
  3. Step 3: Cross multiply
    8,145.01x = 12,219.00 × 3,702.97
  4. Step 4: Simplify right side
    8,145.01x = 45,246,543.91
  5. Step 5: Solve for x
    x = 45,246,543.91/8,145.01
  6. Step 6: Final answer
    x = 5,555.13

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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.