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Finding the Fourth Proportional to 2,707.72, 3,736.66 and 1,714.76

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Solution

The fourth proportional to 2,707.72, 3,736.66 and 1,714.76 is: 2,366.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,707.72 : 3,736.66 = 1,714.76 : x
  2. Step 2: Convert to fraction form
    2,707.72/3,736.66 = 1,714.76/x
  3. Step 3: Cross multiply
    2,707.72x = 3,736.66 × 1,714.76
  4. Step 4: Simplify right side
    2,707.72x = 6,407,475.10
  5. Step 5: Solve for x
    x = 6,407,475.10/2,707.72
  6. Step 6: Final answer
    x = 2,366.37

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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.