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Finding the Fourth Proportional to 74,002.76, 110,934.74 and 36,043.73

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Solution

The fourth proportional to 74,002.76, 110,934.74 and 36,043.73 is: 54,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,002.76 : 110,934.74 = 36,043.73 : x
  2. Step 2: Convert to fraction form
    74,002.76/110,934.74 = 36,043.73/x
  3. Step 3: Cross multiply
    74,002.76x = 110,934.74 × 36,043.73
  4. Step 4: Simplify right side
    74,002.76x = 3,998,501,261.51
  5. Step 5: Solve for x
    x = 3,998,501,261.51/74,002.76
  6. Step 6: Final answer
    x = 54,031.79

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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.