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Finding the Fourth Proportional to 10,484.20, 15,725.04 and 2,692.48

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Solution

The fourth proportional to 10,484.20, 15,725.04 and 2,692.48 is: 4,038.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,484.20 : 15,725.04 = 2,692.48 : x
  2. Step 2: Convert to fraction form
    10,484.20/15,725.04 = 2,692.48/x
  3. Step 3: Cross multiply
    10,484.20x = 15,725.04 × 2,692.48
  4. Step 4: Simplify right side
    10,484.20x = 42,339,355.70
  5. Step 5: Solve for x
    x = 42,339,355.70/10,484.20
  6. Step 6: Final answer
    x = 4,038.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.