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Finding the Fourth Proportional to 8,477.87, 12,714.67 and 4,032.79

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Solution

The fourth proportional to 8,477.87, 12,714.67 and 4,032.79 is: 6,048.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,477.87 : 12,714.67 = 4,032.79 : x
  2. Step 2: Convert to fraction form
    8,477.87/12,714.67 = 4,032.79/x
  3. Step 3: Cross multiply
    8,477.87x = 12,714.67 × 4,032.79
  4. Step 4: Simplify right side
    8,477.87x = 51,275,567.28
  5. Step 5: Solve for x
    x = 51,275,567.28/8,477.87
  6. Step 6: Final answer
    x = 6,048.17

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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.