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Finding the Fourth Proportional to 5,221.52, 7,833.04 and 1,710.32

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Solution

The fourth proportional to 5,221.52, 7,833.04 and 1,710.32 is: 2,565.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.52 : 7,833.04 = 1,710.32 : x
  2. Step 2: Convert to fraction form
    5,221.52/7,833.04 = 1,710.32/x
  3. Step 3: Cross multiply
    5,221.52x = 7,833.04 × 1,710.32
  4. Step 4: Simplify right side
    5,221.52x = 13,397,004.97
  5. Step 5: Solve for x
    x = 13,397,004.97/5,221.52
  6. Step 6: Final answer
    x = 2,565.73

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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.