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Finding the Fourth Proportional to 17,488.12, 26,235.06 and 8,723.32

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Solution

The fourth proportional to 17,488.12, 26,235.06 and 8,723.32 is: 13,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,488.12 : 26,235.06 = 8,723.32 : x
  2. Step 2: Convert to fraction form
    17,488.12/26,235.06 = 8,723.32/x
  3. Step 3: Cross multiply
    17,488.12x = 26,235.06 × 8,723.32
  4. Step 4: Simplify right side
    17,488.12x = 228,856,823.60
  5. Step 5: Solve for x
    x = 228,856,823.60/17,488.12
  6. Step 6: Final answer
    x = 13,086.42

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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.