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Finding the Fourth Proportional to 4,687.74, 6,470.48 and 2,699.71

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Solution

The fourth proportional to 4,687.74, 6,470.48 and 2,699.71 is: 3,726.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,687.74 : 6,470.48 = 2,699.71 : x
  2. Step 2: Convert to fraction form
    4,687.74/6,470.48 = 2,699.71/x
  3. Step 3: Cross multiply
    4,687.74x = 6,470.48 × 2,699.71
  4. Step 4: Simplify right side
    4,687.74x = 17,468,410.13
  5. Step 5: Solve for x
    x = 17,468,410.13/4,687.74
  6. Step 6: Final answer
    x = 3,726.40

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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.