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Finding the Fourth Proportional to 4,866.00, 6,715.15 and 2,876.89

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Solution

The fourth proportional to 4,866.00, 6,715.15 and 2,876.89 is: 3,970.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,866.00 : 6,715.15 = 2,876.89 : x
  2. Step 2: Convert to fraction form
    4,866.00/6,715.15 = 2,876.89/x
  3. Step 3: Cross multiply
    4,866.00x = 6,715.15 × 2,876.89
  4. Step 4: Simplify right side
    4,866.00x = 19,318,771.56
  5. Step 5: Solve for x
    x = 19,318,771.56/4,866.00
  6. Step 6: Final answer
    x = 3,970.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.