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Finding the Fourth Proportional to 75,584.32, 104,306.49 and 42,050.32

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Solution

The fourth proportional to 75,584.32, 104,306.49 and 42,050.32 is: 58,029.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,584.32 : 104,306.49 = 42,050.32 : x
  2. Step 2: Convert to fraction form
    75,584.32/104,306.49 = 42,050.32/x
  3. Step 3: Cross multiply
    75,584.32x = 104,306.49 × 42,050.32
  4. Step 4: Simplify right side
    75,584.32x = 4,386,121,282.58
  5. Step 5: Solve for x
    x = 4,386,121,282.58/75,584.32
  6. Step 6: Final answer
    x = 58,029.51

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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.