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Finding the Fourth Proportional to 15,292.16, 22,948.32 and 8,371.52

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Solution

The fourth proportional to 15,292.16, 22,948.32 and 8,371.52 is: 12,562.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292.16 : 22,948.32 = 8,371.52 : x
  2. Step 2: Convert to fraction form
    15,292.16/22,948.32 = 8,371.52/x
  3. Step 3: Cross multiply
    15,292.16x = 22,948.32 × 8,371.52
  4. Step 4: Simplify right side
    15,292.16x = 192,112,319.85
  5. Step 5: Solve for x
    x = 192,112,319.85/15,292.16
  6. Step 6: Final answer
    x = 12,562.80

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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.