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Finding the Fourth Proportional to 3,692.66, 5,541.28 and 1,501.40

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Solution

The fourth proportional to 3,692.66, 5,541.28 and 1,501.40 is: 2,253.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,692.66 : 5,541.28 = 1,501.40 : x
  2. Step 2: Convert to fraction form
    3,692.66/5,541.28 = 1,501.40/x
  3. Step 3: Cross multiply
    3,692.66x = 5,541.28 × 1,501.40
  4. Step 4: Simplify right side
    3,692.66x = 8,319,687.89
  5. Step 5: Solve for x
    x = 8,319,687.89/3,692.66
  6. Step 6: Final answer
    x = 2,253.04

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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.