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Finding the Fourth Proportional to 75,398.75, 112,925.82 and 35,983.55

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Solution

The fourth proportional to 75,398.75, 112,925.82 and 35,983.55 is: 53,893.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,398.75 : 112,925.82 = 35,983.55 : x
  2. Step 2: Convert to fraction form
    75,398.75/112,925.82 = 35,983.55/x
  3. Step 3: Cross multiply
    75,398.75x = 112,925.82 × 35,983.55
  4. Step 4: Simplify right side
    75,398.75x = 4,063,471,325.63
  5. Step 5: Solve for x
    x = 4,063,471,325.63/75,398.75
  6. Step 6: Final answer
    x = 53,893.09

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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.