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Finding the Fourth Proportional to 25,476.32, 38,219.95 and 10,676.71

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Solution

The fourth proportional to 25,476.32, 38,219.95 and 10,676.71 is: 16,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,476.32 : 38,219.95 = 10,676.71 : x
  2. Step 2: Convert to fraction form
    25,476.32/38,219.95 = 10,676.71/x
  3. Step 3: Cross multiply
    25,476.32x = 38,219.95 × 10,676.71
  4. Step 4: Simplify right side
    25,476.32x = 408,063,383.49
  5. Step 5: Solve for x
    x = 408,063,383.49/25,476.32
  6. Step 6: Final answer
    x = 16,017.36

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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.