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Finding the Fourth Proportional to 75,314.58, 112,968.87 and 25,393.56

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Solution

The fourth proportional to 75,314.58, 112,968.87 and 25,393.56 is: 38,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,314.58 : 112,968.87 = 25,393.56 : x
  2. Step 2: Convert to fraction form
    75,314.58/112,968.87 = 25,393.56/x
  3. Step 3: Cross multiply
    75,314.58x = 112,968.87 × 25,393.56
  4. Step 4: Simplify right side
    75,314.58x = 2,868,681,778.48
  5. Step 5: Solve for x
    x = 2,868,681,778.48/75,314.58
  6. Step 6: Final answer
    x = 38,089.33

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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.