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Finding the Fourth Proportional to 23,169.63, 34,754.45 and 8,378.22

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Solution

The fourth proportional to 23,169.63, 34,754.45 and 8,378.22 is: 12,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,169.63 : 34,754.45 = 8,378.22 : x
  2. Step 2: Convert to fraction form
    23,169.63/34,754.45 = 8,378.22/x
  3. Step 3: Cross multiply
    23,169.63x = 34,754.45 × 8,378.22
  4. Step 4: Simplify right side
    23,169.63x = 291,180,386.19
  5. Step 5: Solve for x
    x = 291,180,386.19/23,169.63
  6. Step 6: Final answer
    x = 12,567.33

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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.