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Finding the Fourth Proportional to 8,866.46, 12,242.85 and 6,039.77

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Solution

The fourth proportional to 8,866.46, 12,242.85 and 6,039.77 is: 8,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,866.46 : 12,242.85 = 6,039.77 : x
  2. Step 2: Convert to fraction form
    8,866.46/12,242.85 = 6,039.77/x
  3. Step 3: Cross multiply
    8,866.46x = 12,242.85 × 6,039.77
  4. Step 4: Simplify right side
    8,866.46x = 73,943,914.28
  5. Step 5: Solve for x
    x = 73,943,914.28/8,866.46
  6. Step 6: Final answer
    x = 8,339.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.