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Finding the Fourth Proportional to 75,089.92, 112,638.62 and 22,494.40

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Solution

The fourth proportional to 75,089.92, 112,638.62 and 22,494.40 is: 33,742.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,089.92 : 112,638.62 = 22,494.40 : x
  2. Step 2: Convert to fraction form
    75,089.92/112,638.62 = 22,494.40/x
  3. Step 3: Cross multiply
    75,089.92x = 112,638.62 × 22,494.40
  4. Step 4: Simplify right side
    75,089.92x = 2,533,738,173.73
  5. Step 5: Solve for x
    x = 2,533,738,173.73/75,089.92
  6. Step 6: Final answer
    x = 33,742.72

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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.