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Finding the Fourth Proportional to 54,903.50, 75,758.22 and 31,938.42

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Solution

The fourth proportional to 54,903.50, 75,758.22 and 31,938.42 is: 44,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,903.50 : 75,758.22 = 31,938.42 : x
  2. Step 2: Convert to fraction form
    54,903.50/75,758.22 = 31,938.42/x
  3. Step 3: Cross multiply
    54,903.50x = 75,758.22 × 31,938.42
  4. Step 4: Simplify right side
    54,903.50x = 2,419,597,848.81
  5. Step 5: Solve for x
    x = 2,419,597,848.81/54,903.50
  6. Step 6: Final answer
    x = 44,070.01

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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.