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Finding the Fourth Proportional to 17,703.60, 24,422.04 and 10,993.20

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Solution

The fourth proportional to 17,703.60, 24,422.04 and 10,993.20 is: 15,165.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,703.60 : 24,422.04 = 10,993.20 : x
  2. Step 2: Convert to fraction form
    17,703.60/24,422.04 = 10,993.20/x
  3. Step 3: Cross multiply
    17,703.60x = 24,422.04 × 10,993.20
  4. Step 4: Simplify right side
    17,703.60x = 268,476,370.13
  5. Step 5: Solve for x
    x = 268,476,370.13/17,703.60
  6. Step 6: Final answer
    x = 15,165.07

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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.