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Finding the Fourth Proportional to 4,687.74, 7,010.28 and 3,502.62

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Solution

The fourth proportional to 4,687.74, 7,010.28 and 3,502.62 is: 5,237.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.74 : 7,010.28 = 3,502.62 : x
  2. Step 2: Convert to fraction form
    4,687.74/7,010.28 = 3,502.62/x
  3. Step 3: Cross multiply
    4,687.74x = 7,010.28 × 3,502.62
  4. Step 4: Simplify right side
    4,687.74x = 24,554,346.93
  5. Step 5: Solve for x
    x = 24,554,346.93/4,687.74
  6. Step 6: Final answer
    x = 5,237.99

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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.