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Finding the Fourth Proportional to 9,937.80, 14,905.62 and 3,363.48

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Solution

The fourth proportional to 9,937.80, 14,905.62 and 3,363.48 is: 5,044.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,937.80 : 14,905.62 = 3,363.48 : x
  2. Step 2: Convert to fraction form
    9,937.80/14,905.62 = 3,363.48/x
  3. Step 3: Cross multiply
    9,937.80x = 14,905.62 × 3,363.48
  4. Step 4: Simplify right side
    9,937.80x = 50,134,754.76
  5. Step 5: Solve for x
    x = 50,134,754.76/9,937.80
  6. Step 6: Final answer
    x = 5,044.85

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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.