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Finding the Fourth Proportional to 75,304.80, 112,924.80 and 37,850.40

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Solution

The fourth proportional to 75,304.80, 112,924.80 and 37,850.40 is: 56,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,304.80 : 112,924.80 = 37,850.40 : x
  2. Step 2: Convert to fraction form
    75,304.80/112,924.80 = 37,850.40/x
  3. Step 3: Cross multiply
    75,304.80x = 112,924.80 × 37,850.40
  4. Step 4: Simplify right side
    75,304.80x = 4,274,248,849.92
  5. Step 5: Solve for x
    x = 4,274,248,849.92/75,304.80
  6. Step 6: Final answer
    x = 56,759.31

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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.