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Finding the Fourth Proportional to 17,697.64, 24,422.16 and 10,619.88

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Solution

The fourth proportional to 17,697.64, 24,422.16 and 10,619.88 is: 14,655.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,697.64 : 24,422.16 = 10,619.88 : x
  2. Step 2: Convert to fraction form
    17,697.64/24,422.16 = 10,619.88/x
  3. Step 3: Cross multiply
    17,697.64x = 24,422.16 × 10,619.88
  4. Step 4: Simplify right side
    17,697.64x = 259,360,408.54
  5. Step 5: Solve for x
    x = 259,360,408.54/17,697.64
  6. Step 6: Final answer
    x = 14,655.08

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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.