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Finding the Fourth Proportional to 29,009.88, 40,052.88 and 25,860.60

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Solution

The fourth proportional to 29,009.88, 40,052.88 and 25,860.60 is: 35,704.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,009.88 : 40,052.88 = 25,860.60 : x
  2. Step 2: Convert to fraction form
    29,009.88/40,052.88 = 25,860.60/x
  3. Step 3: Cross multiply
    29,009.88x = 40,052.88 × 25,860.60
  4. Step 4: Simplify right side
    29,009.88x = 1,035,791,508.53
  5. Step 5: Solve for x
    x = 1,035,791,508.53/29,009.88
  6. Step 6: Final answer
    x = 35,704.78

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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.