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Finding the Fourth Proportional to 60,515.40, 90,773.10 and 44,963.40

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Solution

The fourth proportional to 60,515.40, 90,773.10 and 44,963.40 is: 67,445.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,515.40 : 90,773.10 = 44,963.40 : x
  2. Step 2: Convert to fraction form
    60,515.40/90,773.10 = 44,963.40/x
  3. Step 3: Cross multiply
    60,515.40x = 90,773.10 × 44,963.40
  4. Step 4: Simplify right side
    60,515.40x = 4,081,467,204.54
  5. Step 5: Solve for x
    x = 4,081,467,204.54/60,515.40
  6. Step 6: Final answer
    x = 67,445.10

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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.