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Finding the Fourth Proportional to 3,065.71, 4,597.21 and 873.94

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Solution

The fourth proportional to 3,065.71, 4,597.21 and 873.94 is: 1,310.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.71 : 4,597.21 = 873.94 : x
  2. Step 2: Convert to fraction form
    3,065.71/4,597.21 = 873.94/x
  3. Step 3: Cross multiply
    3,065.71x = 4,597.21 × 873.94
  4. Step 4: Simplify right side
    3,065.71x = 4,017,685.71
  5. Step 5: Solve for x
    x = 4,017,685.71/3,065.71
  6. Step 6: Final answer
    x = 1,310.52

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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.