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Finding the Fourth Proportional to 17,879.64, 24,656.85 and 10,708.38

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Solution

The fourth proportional to 17,879.64, 24,656.85 and 10,708.38 is: 14,767.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,879.64 : 24,656.85 = 10,708.38 : x
  2. Step 2: Convert to fraction form
    17,879.64/24,656.85 = 10,708.38/x
  3. Step 3: Cross multiply
    17,879.64x = 24,656.85 × 10,708.38
  4. Step 4: Simplify right side
    17,879.64x = 264,034,919.40
  5. Step 5: Solve for x
    x = 264,034,919.40/17,879.64
  6. Step 6: Final answer
    x = 14,767.35

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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.