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Finding the Fourth Proportional to 25,751.55, 38,600.69 and 14,634.30

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Solution

The fourth proportional to 25,751.55, 38,600.69 and 14,634.30 is: 21,936.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,751.55 : 38,600.69 = 14,634.30 : x
  2. Step 2: Convert to fraction form
    25,751.55/38,600.69 = 14,634.30/x
  3. Step 3: Cross multiply
    25,751.55x = 38,600.69 × 14,634.30
  4. Step 4: Simplify right side
    25,751.55x = 564,894,114.25
  5. Step 5: Solve for x
    x = 564,894,114.25/25,751.55
  6. Step 6: Final answer
    x = 21,936.32

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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.