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Finding the Fourth Proportional to 15,672.01, 21,626.08 and 8,598.43

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Solution

The fourth proportional to 15,672.01, 21,626.08 and 8,598.43 is: 11,865.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.01 : 21,626.08 = 8,598.43 : x
  2. Step 2: Convert to fraction form
    15,672.01/21,626.08 = 8,598.43/x
  3. Step 3: Cross multiply
    15,672.01x = 21,626.08 × 8,598.43
  4. Step 4: Simplify right side
    15,672.01x = 185,950,335.05
  5. Step 5: Solve for x
    x = 185,950,335.05/15,672.01
  6. Step 6: Final answer
    x = 11,865.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.