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Finding the Fourth Proportional to 47,999.80, 71,967.30 and 25,514.20

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Solution

The fourth proportional to 47,999.80, 71,967.30 and 25,514.20 is: 38,254.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,999.80 : 71,967.30 = 25,514.20 : x
  2. Step 2: Convert to fraction form
    47,999.80/71,967.30 = 25,514.20/x
  3. Step 3: Cross multiply
    47,999.80x = 71,967.30 × 25,514.20
  4. Step 4: Simplify right side
    47,999.80x = 1,836,188,085.66
  5. Step 5: Solve for x
    x = 1,836,188,085.66/47,999.80
  6. Step 6: Final answer
    x = 38,254.08

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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.