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Finding the Fourth Proportional to 3,065.85, 4,597.70 and 873.99

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Solution

The fourth proportional to 3,065.85, 4,597.70 and 873.99 is: 1,310.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,065.85 : 4,597.70 = 873.99 : x
  2. Step 2: Convert to fraction form
    3,065.85/4,597.70 = 873.99/x
  3. Step 3: Cross multiply
    3,065.85x = 4,597.70 × 873.99
  4. Step 4: Simplify right side
    3,065.85x = 4,018,339.45
  5. Step 5: Solve for x
    x = 4,018,339.45/3,065.85
  6. Step 6: Final answer
    x = 1,310.68

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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.