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Finding the Fourth Proportional to 5,310.63, 7,328.87 and 2,952.94

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Solution

The fourth proportional to 5,310.63, 7,328.87 and 2,952.94 is: 4,075.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,310.63 : 7,328.87 = 2,952.94 : x
  2. Step 2: Convert to fraction form
    5,310.63/7,328.87 = 2,952.94/x
  3. Step 3: Cross multiply
    5,310.63x = 7,328.87 × 2,952.94
  4. Step 4: Simplify right side
    5,310.63x = 21,641,713.38
  5. Step 5: Solve for x
    x = 21,641,713.38/5,310.63
  6. Step 6: Final answer
    x = 4,075.17

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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.