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Finding the Fourth Proportional to 8,468.50, 11,686.68 and 5,069.02

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Solution

The fourth proportional to 8,468.50, 11,686.68 and 5,069.02 is: 6,995.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.50 : 11,686.68 = 5,069.02 : x
  2. Step 2: Convert to fraction form
    8,468.50/11,686.68 = 5,069.02/x
  3. Step 3: Cross multiply
    8,468.50x = 11,686.68 × 5,069.02
  4. Step 4: Simplify right side
    8,468.50x = 59,240,014.65
  5. Step 5: Solve for x
    x = 59,240,014.65/8,468.50
  6. Step 6: Final answer
    x = 6,995.34

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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.