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Finding the Fourth Proportional to 4,702.99, 6,489.96 and 2,713.49

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Solution

The fourth proportional to 4,702.99, 6,489.96 and 2,713.49 is: 3,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,702.99 : 6,489.96 = 2,713.49 : x
  2. Step 2: Convert to fraction form
    4,702.99/6,489.96 = 2,713.49/x
  3. Step 3: Cross multiply
    4,702.99x = 6,489.96 × 2,713.49
  4. Step 4: Simplify right side
    4,702.99x = 17,610,441.56
  5. Step 5: Solve for x
    x = 17,610,441.56/4,702.99
  6. Step 6: Final answer
    x = 3,744.52

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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.