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Finding the Fourth Proportional to 17,884.32, 24,678.36 and 9,926.88

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Solution

The fourth proportional to 17,884.32, 24,678.36 and 9,926.88 is: 13,697.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,884.32 : 24,678.36 = 9,926.88 : x
  2. Step 2: Convert to fraction form
    17,884.32/24,678.36 = 9,926.88/x
  3. Step 3: Cross multiply
    17,884.32x = 24,678.36 × 9,926.88
  4. Step 4: Simplify right side
    17,884.32x = 244,979,118.32
  5. Step 5: Solve for x
    x = 244,979,118.32/17,884.32
  6. Step 6: Final answer
    x = 13,697.98

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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.