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Finding the Fourth Proportional to 7,367.87, 10,167.55 and 4,055.87

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Solution

The fourth proportional to 7,367.87, 10,167.55 and 4,055.87 is: 5,597.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,367.87 : 10,167.55 = 4,055.87 : x
  2. Step 2: Convert to fraction form
    7,367.87/10,167.55 = 4,055.87/x
  3. Step 3: Cross multiply
    7,367.87x = 10,167.55 × 4,055.87
  4. Step 4: Simplify right side
    7,367.87x = 41,238,261.02
  5. Step 5: Solve for x
    x = 41,238,261.02/7,367.87
  6. Step 6: Final answer
    x = 5,597.04

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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.