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Finding the Fourth Proportional to 25,866.16, 38,799.24 and 8,336.32

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Solution

The fourth proportional to 25,866.16, 38,799.24 and 8,336.32 is: 12,504.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,866.16 : 38,799.24 = 8,336.32 : x
  2. Step 2: Convert to fraction form
    25,866.16/38,799.24 = 8,336.32/x
  3. Step 3: Cross multiply
    25,866.16x = 38,799.24 × 8,336.32
  4. Step 4: Simplify right side
    25,866.16x = 323,442,880.40
  5. Step 5: Solve for x
    x = 323,442,880.40/25,866.16
  6. Step 6: Final answer
    x = 12,504.48

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Similar ratio
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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.