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Finding the Fourth Proportional to 8,458.97, 12,666.58 and 5,834.57

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Solution

The fourth proportional to 8,458.97, 12,666.58 and 5,834.57 is: 8,736.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.97 : 12,666.58 = 5,834.57 : x
  2. Step 2: Convert to fraction form
    8,458.97/12,666.58 = 5,834.57/x
  3. Step 3: Cross multiply
    8,458.97x = 12,666.58 × 5,834.57
  4. Step 4: Simplify right side
    8,458.97x = 73,903,969.75
  5. Step 5: Solve for x
    x = 73,903,969.75/8,458.97
  6. Step 6: Final answer
    x = 8,736.76

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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.