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Finding the Fourth Proportional to 52,620.12, 72,620.04 and 29,959.56

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Solution

The fourth proportional to 52,620.12, 72,620.04 and 29,959.56 is: 41,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,620.12 : 72,620.04 = 29,959.56 : x
  2. Step 2: Convert to fraction form
    52,620.12/72,620.04 = 29,959.56/x
  3. Step 3: Cross multiply
    52,620.12x = 72,620.04 × 29,959.56
  4. Step 4: Simplify right side
    52,620.12x = 2,175,664,445.58
  5. Step 5: Solve for x
    x = 2,175,664,445.58/52,620.12
  6. Step 6: Final answer
    x = 41,346.63

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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.