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Finding the Fourth Proportional to 47,449.80, 65,480.70 and 26,229.06

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Solution

The fourth proportional to 47,449.80, 65,480.70 and 26,229.06 is: 36,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,449.80 : 65,480.70 = 26,229.06 : x
  2. Step 2: Convert to fraction form
    47,449.80/65,480.70 = 26,229.06/x
  3. Step 3: Cross multiply
    47,449.80x = 65,480.70 × 26,229.06
  4. Step 4: Simplify right side
    47,449.80x = 1,717,497,209.14
  5. Step 5: Solve for x
    x = 1,717,497,209.14/47,449.80
  6. Step 6: Final answer
    x = 36,196.09

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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.