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Finding the Fourth Proportional to 73,033.60, 109,593.60 and 26,280.40

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Solution

The fourth proportional to 73,033.60, 109,593.60 and 26,280.40 is: 39,436.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,033.60 : 109,593.60 = 26,280.40 : x
  2. Step 2: Convert to fraction form
    73,033.60/109,593.60 = 26,280.40/x
  3. Step 3: Cross multiply
    73,033.60x = 109,593.60 × 26,280.40
  4. Step 4: Simplify right side
    73,033.60x = 2,880,163,645.44
  5. Step 5: Solve for x
    x = 2,880,163,645.44/73,033.60
  6. Step 6: Final answer
    x = 39,436.15

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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.