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Finding the Fourth Proportional to 1,695.33, 2,543.00 and 1,173.69

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Solution

The fourth proportional to 1,695.33, 2,543.00 and 1,173.69 is: 1,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,695.33 : 2,543.00 = 1,173.69 : x
  2. Step 2: Convert to fraction form
    1,695.33/2,543.00 = 1,173.69/x
  3. Step 3: Cross multiply
    1,695.33x = 2,543.00 × 1,173.69
  4. Step 4: Simplify right side
    1,695.33x = 2,984,687.80
  5. Step 5: Solve for x
    x = 2,984,687.80/1,695.33
  6. Step 6: Final answer
    x = 1,760.54

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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.