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Finding the Fourth Proportional to 9,363.78, 14,047.77 and 3,520.44

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Solution

The fourth proportional to 9,363.78, 14,047.77 and 3,520.44 is: 5,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,363.78 : 14,047.77 = 3,520.44 : x
  2. Step 2: Convert to fraction form
    9,363.78/14,047.77 = 3,520.44/x
  3. Step 3: Cross multiply
    9,363.78x = 14,047.77 × 3,520.44
  4. Step 4: Simplify right side
    9,363.78x = 49,454,313.82
  5. Step 5: Solve for x
    x = 49,454,313.82/9,363.78
  6. Step 6: Final answer
    x = 5,281.45

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1.5x scale

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.