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Finding the Fourth Proportional to 16,661.19, 22,993.14 and 9,587.64

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Solution

The fourth proportional to 16,661.19, 22,993.14 and 9,587.64 is: 13,231.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,661.19 : 22,993.14 = 9,587.64 : x
  2. Step 2: Convert to fraction form
    16,661.19/22,993.14 = 9,587.64/x
  3. Step 3: Cross multiply
    16,661.19x = 22,993.14 × 9,587.64
  4. Step 4: Simplify right side
    16,661.19x = 220,449,948.79
  5. Step 5: Solve for x
    x = 220,449,948.79/16,661.19
  6. Step 6: Final answer
    x = 13,231.34

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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.