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Finding the Fourth Proportional to 17,909.80, 26,807.14 and 9,568.96

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Solution

The fourth proportional to 17,909.80, 26,807.14 and 9,568.96 is: 14,322.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,909.80 : 26,807.14 = 9,568.96 : x
  2. Step 2: Convert to fraction form
    17,909.80/26,807.14 = 9,568.96/x
  3. Step 3: Cross multiply
    17,909.80x = 26,807.14 × 9,568.96
  4. Step 4: Simplify right side
    17,909.80x = 256,516,450.37
  5. Step 5: Solve for x
    x = 256,516,450.37/17,909.80
  6. Step 6: Final answer
    x = 14,322.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.