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Finding the Fourth Proportional to 2,832.93, 3,909.00 and 1,573.86

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Solution

The fourth proportional to 2,832.93, 3,909.00 and 1,573.86 is: 2,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,832.93 : 3,909.00 = 1,573.86 : x
  2. Step 2: Convert to fraction form
    2,832.93/3,909.00 = 1,573.86/x
  3. Step 3: Cross multiply
    2,832.93x = 3,909.00 × 1,573.86
  4. Step 4: Simplify right side
    2,832.93x = 6,152,239.30
  5. Step 5: Solve for x
    x = 6,152,239.30/2,832.93
  6. Step 6: Final answer
    x = 2,171.69

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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.