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Finding the Fourth Proportional to 6,487.04, 8,952.72 and 3,692

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Solution

The fourth proportional to 6,487.04, 8,952.72 and 3,692 is: 5,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.04 : 8,952.72 = 3,692 : x
  2. Step 2: Convert to fraction form
    6,487.04/8,952.72 = 3,692/x
  3. Step 3: Cross multiply
    6,487.04x = 8,952.72 × 3,692
  4. Step 4: Simplify right side
    6,487.04x = 33,053,442.24
  5. Step 5: Solve for x
    x = 33,053,442.24/6,487.04
  6. Step 6: Final answer
    x = 5,095.30

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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.