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Finding the Fourth Proportional to 17,371.85, 23,975.33 and 9,818.55

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Solution

The fourth proportional to 17,371.85, 23,975.33 and 9,818.55 is: 13,550.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,371.85 : 23,975.33 = 9,818.55 : x
  2. Step 2: Convert to fraction form
    17,371.85/23,975.33 = 9,818.55/x
  3. Step 3: Cross multiply
    17,371.85x = 23,975.33 × 9,818.55
  4. Step 4: Simplify right side
    17,371.85x = 235,402,927.28
  5. Step 5: Solve for x
    x = 235,402,927.28/17,371.85
  6. Step 6: Final answer
    x = 13,550.83

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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.