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Finding the Fourth Proportional to 15,651.01, 21,599.42 and 9,601.93

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Solution

The fourth proportional to 15,651.01, 21,599.42 and 9,601.93 is: 13,251.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,651.01 : 21,599.42 = 9,601.93 : x
  2. Step 2: Convert to fraction form
    15,651.01/21,599.42 = 9,601.93/x
  3. Step 3: Cross multiply
    15,651.01x = 21,599.42 × 9,601.93
  4. Step 4: Simplify right side
    15,651.01x = 207,396,118.88
  5. Step 5: Solve for x
    x = 207,396,118.88/15,651.01
  6. Step 6: Final answer
    x = 13,251.29

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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.