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Finding the Fourth Proportional to 8,475.70, 12,718.41 and 4,584.46

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Solution

The fourth proportional to 8,475.70, 12,718.41 and 4,584.46 is: 6,879.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,475.70 : 12,718.41 = 4,584.46 : x
  2. Step 2: Convert to fraction form
    8,475.70/12,718.41 = 4,584.46/x
  3. Step 3: Cross multiply
    8,475.70x = 12,718.41 × 4,584.46
  4. Step 4: Simplify right side
    8,475.70x = 58,307,041.91
  5. Step 5: Solve for x
    x = 58,307,041.91/8,475.70
  6. Step 6: Final answer
    x = 6,879.32

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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.