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Finding the Fourth Proportional to 47,959.02, 71,959.29 and 25,746.48

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Solution

The fourth proportional to 47,959.02, 71,959.29 and 25,746.48 is: 38,630.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,959.02 : 71,959.29 = 25,746.48 : x
  2. Step 2: Convert to fraction form
    47,959.02/71,959.29 = 25,746.48/x
  3. Step 3: Cross multiply
    47,959.02x = 71,959.29 × 25,746.48
  4. Step 4: Simplify right side
    47,959.02x = 1,852,698,420.80
  5. Step 5: Solve for x
    x = 1,852,698,420.80/47,959.02
  6. Step 6: Final answer
    x = 38,630.86

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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.