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Finding the Fourth Proportional to 45,360.72, 67,982.40 and 24,278.40

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Solution

The fourth proportional to 45,360.72, 67,982.40 and 24,278.40 is: 36,386.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,360.72 : 67,982.40 = 24,278.40 : x
  2. Step 2: Convert to fraction form
    45,360.72/67,982.40 = 24,278.40/x
  3. Step 3: Cross multiply
    45,360.72x = 67,982.40 × 24,278.40
  4. Step 4: Simplify right side
    45,360.72x = 1,650,503,900.16
  5. Step 5: Solve for x
    x = 1,650,503,900.16/45,360.72
  6. Step 6: Final answer
    x = 36,386.19

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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.