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Finding the Fourth Proportional to 6,068.75, 9,102.11 and 1,686.65

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Solution

The fourth proportional to 6,068.75, 9,102.11 and 1,686.65 is: 2,529.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,068.75 : 9,102.11 = 1,686.65 : x
  2. Step 2: Convert to fraction form
    6,068.75/9,102.11 = 1,686.65/x
  3. Step 3: Cross multiply
    6,068.75x = 9,102.11 × 1,686.65
  4. Step 4: Simplify right side
    6,068.75x = 15,352,019.89
  5. Step 5: Solve for x
    x = 15,352,019.89/6,068.75
  6. Step 6: Final answer
    x = 2,529.69

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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.