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Finding the Fourth Proportional to 3,567.75, 4,923.40 and 1,995.86

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Solution

The fourth proportional to 3,567.75, 4,923.40 and 1,995.86 is: 2,754.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,567.75 : 4,923.40 = 1,995.86 : x
  2. Step 2: Convert to fraction form
    3,567.75/4,923.40 = 1,995.86/x
  3. Step 3: Cross multiply
    3,567.75x = 4,923.40 × 1,995.86
  4. Step 4: Simplify right side
    3,567.75x = 9,826,417.12
  5. Step 5: Solve for x
    x = 9,826,417.12/3,567.75
  6. Step 6: Final answer
    x = 2,754.23

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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.