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Finding the Fourth Proportional to 8,486.57, 12,723.24 and 4,041.95

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Solution

The fourth proportional to 8,486.57, 12,723.24 and 4,041.95 is: 6,059.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,486.57 : 12,723.24 = 4,041.95 : x
  2. Step 2: Convert to fraction form
    8,486.57/12,723.24 = 4,041.95/x
  3. Step 3: Cross multiply
    8,486.57x = 12,723.24 × 4,041.95
  4. Step 4: Simplify right side
    8,486.57x = 51,426,699.92
  5. Step 5: Solve for x
    x = 51,426,699.92/8,486.57
  6. Step 6: Final answer
    x = 6,059.77

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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.