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Finding the Fourth Proportional to 8,900.11, 13,372.05 and 6,702.17

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Solution

The fourth proportional to 8,900.11, 13,372.05 and 6,702.17 is: 10,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.11 : 13,372.05 = 6,702.17 : x
  2. Step 2: Convert to fraction form
    8,900.11/13,372.05 = 6,702.17/x
  3. Step 3: Cross multiply
    8,900.11x = 13,372.05 × 6,702.17
  4. Step 4: Simplify right side
    8,900.11x = 89,621,752.35
  5. Step 5: Solve for x
    x = 89,621,752.35/8,900.11
  6. Step 6: Final answer
    x = 10,069.74

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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.