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Finding the Fourth Proportional to 25,590.57, 38,378.57 and 16,216.44

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Solution

The fourth proportional to 25,590.57, 38,378.57 and 16,216.44 is: 24,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,590.57 : 38,378.57 = 16,216.44 : x
  2. Step 2: Convert to fraction form
    25,590.57/38,378.57 = 16,216.44/x
  3. Step 3: Cross multiply
    25,590.57x = 38,378.57 × 16,216.44
  4. Step 4: Simplify right side
    25,590.57x = 622,363,696.61
  5. Step 5: Solve for x
    x = 622,363,696.61/25,590.57
  6. Step 6: Final answer
    x = 24,320.04

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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.