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Finding the Fourth Proportional to 25,702.92, 35,468.18 and 14,217.32

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Solution

The fourth proportional to 25,702.92, 35,468.18 and 14,217.32 is: 19,618.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,702.92 : 35,468.18 = 14,217.32 : x
  2. Step 2: Convert to fraction form
    25,702.92/35,468.18 = 14,217.32/x
  3. Step 3: Cross multiply
    25,702.92x = 35,468.18 × 14,217.32
  4. Step 4: Simplify right side
    25,702.92x = 504,262,535.78
  5. Step 5: Solve for x
    x = 504,262,535.78/25,702.92
  6. Step 6: Final answer
    x = 19,618.88

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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.