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Finding the Fourth Proportional to 75,074.58, 112,643.26 and 32,932.91

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Solution

The fourth proportional to 75,074.58, 112,643.26 and 32,932.91 is: 49,413.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,074.58 : 112,643.26 = 32,932.91 : x
  2. Step 2: Convert to fraction form
    75,074.58/112,643.26 = 32,932.91/x
  3. Step 3: Cross multiply
    75,074.58x = 112,643.26 × 32,932.91
  4. Step 4: Simplify right side
    75,074.58x = 3,709,670,542.96
  5. Step 5: Solve for x
    x = 3,709,670,542.96/75,074.58
  6. Step 6: Final answer
    x = 49,413.14

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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.