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Finding the Fourth Proportional to 54,841.44, 75,677.04 and 30,964.80

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Solution

The fourth proportional to 54,841.44, 75,677.04 and 30,964.80 is: 42,729.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,841.44 : 75,677.04 = 30,964.80 : x
  2. Step 2: Convert to fraction form
    54,841.44/75,677.04 = 30,964.80/x
  3. Step 3: Cross multiply
    54,841.44x = 75,677.04 × 30,964.80
  4. Step 4: Simplify right side
    54,841.44x = 2,343,324,408.19
  5. Step 5: Solve for x
    x = 2,343,324,408.19/54,841.44
  6. Step 6: Final answer
    x = 42,729.08

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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.