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Finding the Fourth Proportional to 43,612.40, 60,979.60 and 43,612.40

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Solution

The fourth proportional to 43,612.40, 60,979.60 and 43,612.40 is: 60,979.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,612.40 : 60,979.60 = 43,612.40 : x
  2. Step 2: Convert to fraction form
    43,612.40/60,979.60 = 43,612.40/x
  3. Step 3: Cross multiply
    43,612.40x = 60,979.60 × 43,612.40
  4. Step 4: Simplify right side
    43,612.40x = 2,659,466,707.04
  5. Step 5: Solve for x
    x = 2,659,466,707.04/43,612.40
  6. Step 6: Final answer
    x = 60,979.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.