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Finding the Fourth Proportional to 25,371.04, 38,073.76 and 8,955.04

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Solution

The fourth proportional to 25,371.04, 38,073.76 and 8,955.04 is: 13,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,371.04 : 38,073.76 = 8,955.04 : x
  2. Step 2: Convert to fraction form
    25,371.04/38,073.76 = 8,955.04/x
  3. Step 3: Cross multiply
    25,371.04x = 38,073.76 × 8,955.04
  4. Step 4: Simplify right side
    25,371.04x = 340,952,043.75
  5. Step 5: Solve for x
    x = 340,952,043.75/25,371.04
  6. Step 6: Final answer
    x = 13,438.63

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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.