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Finding the Fourth Proportional to 34,671.92, 52,015.72 and 10,980.90

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Solution

The fourth proportional to 34,671.92, 52,015.72 and 10,980.90 is: 16,473.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,671.92 : 52,015.72 = 10,980.90 : x
  2. Step 2: Convert to fraction form
    34,671.92/52,015.72 = 10,980.90/x
  3. Step 3: Cross multiply
    34,671.92x = 52,015.72 × 10,980.90
  4. Step 4: Simplify right side
    34,671.92x = 571,179,419.75
  5. Step 5: Solve for x
    x = 571,179,419.75/34,671.92
  6. Step 6: Final answer
    x = 16,473.83

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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.