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Finding the Fourth Proportional to 29,081.52, 40,079.62 and 22,704.80

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Solution

The fourth proportional to 29,081.52, 40,079.62 and 22,704.80 is: 31,291.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,081.52 : 40,079.62 = 22,704.80 : x
  2. Step 2: Convert to fraction form
    29,081.52/40,079.62 = 22,704.80/x
  3. Step 3: Cross multiply
    29,081.52x = 40,079.62 × 22,704.80
  4. Step 4: Simplify right side
    29,081.52x = 909,999,756.18
  5. Step 5: Solve for x
    x = 909,999,756.18/29,081.52
  6. Step 6: Final answer
    x = 31,291.34

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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.