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Finding the Fourth Proportional to 8,900.57, 13,326.24 and 6,702.63

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Solution

The fourth proportional to 8,900.57, 13,326.24 and 6,702.63 is: 10,035.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,900.57 : 13,326.24 = 6,702.63 : x
  2. Step 2: Convert to fraction form
    8,900.57/13,326.24 = 6,702.63/x
  3. Step 3: Cross multiply
    8,900.57x = 13,326.24 × 6,702.63
  4. Step 4: Simplify right side
    8,900.57x = 89,320,856.01
  5. Step 5: Solve for x
    x = 89,320,856.01/8,900.57
  6. Step 6: Final answer
    x = 10,035.41

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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.