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Finding the Fourth Proportional to 45,344.64, 67,887.36 and 34,976.64

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Solution

The fourth proportional to 45,344.64, 67,887.36 and 34,976.64 is: 52,364.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,344.64 : 67,887.36 = 34,976.64 : x
  2. Step 2: Convert to fraction form
    45,344.64/67,887.36 = 34,976.64/x
  3. Step 3: Cross multiply
    45,344.64x = 67,887.36 × 34,976.64
  4. Step 4: Simplify right side
    45,344.64x = 2,374,471,751.27
  5. Step 5: Solve for x
    x = 2,374,471,751.27/45,344.64
  6. Step 6: Final answer
    x = 52,364.99

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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.