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Finding the Fourth Proportional to 75,279.59, 112,919.31 and 22,689.08

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Solution

The fourth proportional to 75,279.59, 112,919.31 and 22,689.08 is: 34,033.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,279.59 : 112,919.31 = 22,689.08 : x
  2. Step 2: Convert to fraction form
    75,279.59/112,919.31 = 22,689.08/x
  3. Step 3: Cross multiply
    75,279.59x = 112,919.31 × 22,689.08
  4. Step 4: Simplify right side
    75,279.59x = 2,562,035,258.13
  5. Step 5: Solve for x
    x = 2,562,035,258.13/75,279.59
  6. Step 6: Final answer
    x = 34,033.60

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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.