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Finding the Fourth Proportional to 2,703.52, 3,727.86 and 1,707.64

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Solution

The fourth proportional to 2,703.52, 3,727.86 and 1,707.64 is: 2,354.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,703.52 : 3,727.86 = 1,707.64 : x
  2. Step 2: Convert to fraction form
    2,703.52/3,727.86 = 1,707.64/x
  3. Step 3: Cross multiply
    2,703.52x = 3,727.86 × 1,707.64
  4. Step 4: Simplify right side
    2,703.52x = 6,365,842.85
  5. Step 5: Solve for x
    x = 6,365,842.85/2,703.52
  6. Step 6: Final answer
    x = 2,354.65

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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.