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Finding the Fourth Proportional to 4,868.59, 7,306.13 and 1,790.59

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Solution

The fourth proportional to 4,868.59, 7,306.13 and 1,790.59 is: 2,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.59 : 7,306.13 = 1,790.59 : x
  2. Step 2: Convert to fraction form
    4,868.59/7,306.13 = 1,790.59/x
  3. Step 3: Cross multiply
    4,868.59x = 7,306.13 × 1,790.59
  4. Step 4: Simplify right side
    4,868.59x = 13,082,283.32
  5. Step 5: Solve for x
    x = 13,082,283.32/4,868.59
  6. Step 6: Final answer
    x = 2,687.08

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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.