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Finding the Fourth Proportional to 67,286.57, 100,929.29 and 17,362.40

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Solution

The fourth proportional to 67,286.57, 100,929.29 and 17,362.40 is: 26,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,286.57 : 100,929.29 = 17,362.40 : x
  2. Step 2: Convert to fraction form
    67,286.57/100,929.29 = 17,362.40/x
  3. Step 3: Cross multiply
    67,286.57x = 100,929.29 × 17,362.40
  4. Step 4: Simplify right side
    67,286.57x = 1,752,374,113.24
  5. Step 5: Solve for x
    x = 1,752,374,113.24/67,286.57
  6. Step 6: Final answer
    x = 26,043.45

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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.