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Finding the Fourth Proportional to 8,463.54, 12,698.14 and 4,080.48

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Solution

The fourth proportional to 8,463.54, 12,698.14 and 4,080.48 is: 6,122.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,463.54 : 12,698.14 = 4,080.48 : x
  2. Step 2: Convert to fraction form
    8,463.54/12,698.14 = 4,080.48/x
  3. Step 3: Cross multiply
    8,463.54x = 12,698.14 × 4,080.48
  4. Step 4: Simplify right side
    8,463.54x = 51,814,506.31
  5. Step 5: Solve for x
    x = 51,814,506.31/8,463.54
  6. Step 6: Final answer
    x = 6,122.08

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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.