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Finding the Fourth Proportional to 5,931.19, 8,850.73 and 5,143.87

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Solution

The fourth proportional to 5,931.19, 8,850.73 and 5,143.87 is: 7,675.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.19 : 8,850.73 = 5,143.87 : x
  2. Step 2: Convert to fraction form
    5,931.19/8,850.73 = 5,143.87/x
  3. Step 3: Cross multiply
    5,931.19x = 8,850.73 × 5,143.87
  4. Step 4: Simplify right side
    5,931.19x = 45,527,004.53
  5. Step 5: Solve for x
    x = 45,527,004.53/5,931.19
  6. Step 6: Final answer
    x = 7,675.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.