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Finding the Fourth Proportional to 7,337.78, 11,009.91 and 2,963.78

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Solution

The fourth proportional to 7,337.78, 11,009.91 and 2,963.78 is: 4,446.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,337.78 : 11,009.91 = 2,963.78 : x
  2. Step 2: Convert to fraction form
    7,337.78/11,009.91 = 2,963.78/x
  3. Step 3: Cross multiply
    7,337.78x = 11,009.91 × 2,963.78
  4. Step 4: Simplify right side
    7,337.78x = 32,630,951.06
  5. Step 5: Solve for x
    x = 32,630,951.06/7,337.78
  6. Step 6: Final answer
    x = 4,446.98

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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.