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Finding the Fourth Proportional to 3,357.87, 4,633.86 and 1,865.93

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Solution

The fourth proportional to 3,357.87, 4,633.86 and 1,865.93 is: 2,574.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,357.87 : 4,633.86 = 1,865.93 : x
  2. Step 2: Convert to fraction form
    3,357.87/4,633.86 = 1,865.93/x
  3. Step 3: Cross multiply
    3,357.87x = 4,633.86 × 1,865.93
  4. Step 4: Simplify right side
    3,357.87x = 8,646,458.39
  5. Step 5: Solve for x
    x = 8,646,458.39/3,357.87
  6. Step 6: Final answer
    x = 2,574.98

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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.