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Finding the Fourth Proportional to 3,176.61, 4,766.72 and 1,715.73

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Solution

The fourth proportional to 3,176.61, 4,766.72 and 1,715.73 is: 2,574.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176.61 : 4,766.72 = 1,715.73 : x
  2. Step 2: Convert to fraction form
    3,176.61/4,766.72 = 1,715.73/x
  3. Step 3: Cross multiply
    3,176.61x = 4,766.72 × 1,715.73
  4. Step 4: Simplify right side
    3,176.61x = 8,178,395.93
  5. Step 5: Solve for x
    x = 8,178,395.93/3,176.61
  6. Step 6: Final answer
    x = 2,574.57

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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.