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Finding the Fourth Proportional to 60,676.92, 91,015.38 and 23,715

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Solution

The fourth proportional to 60,676.92, 91,015.38 and 23,715 is: 35,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,676.92 : 91,015.38 = 23,715 : x
  2. Step 2: Convert to fraction form
    60,676.92/91,015.38 = 23,715/x
  3. Step 3: Cross multiply
    60,676.92x = 91,015.38 × 23,715
  4. Step 4: Simplify right side
    60,676.92x = 2,158,429,736.70
  5. Step 5: Solve for x
    x = 2,158,429,736.70/60,676.92
  6. Step 6: Final answer
    x = 35,572.50

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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.