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Finding the Fourth Proportional to 17,418.90, 24,041.14 and 9,865.64

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Solution

The fourth proportional to 17,418.90, 24,041.14 and 9,865.64 is: 13,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,418.90 : 24,041.14 = 9,865.64 : x
  2. Step 2: Convert to fraction form
    17,418.90/24,041.14 = 9,865.64/x
  3. Step 3: Cross multiply
    17,418.90x = 24,041.14 × 9,865.64
  4. Step 4: Simplify right side
    17,418.90x = 237,181,232.43
  5. Step 5: Solve for x
    x = 237,181,232.43/17,418.90
  6. Step 6: Final answer
    x = 13,616.32

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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.