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Finding the Fourth Proportional to 8,848.11, 12,211.52 and 5,311.11

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Solution

The fourth proportional to 8,848.11, 12,211.52 and 5,311.11 is: 7,330.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,848.11 : 12,211.52 = 5,311.11 : x
  2. Step 2: Convert to fraction form
    8,848.11/12,211.52 = 5,311.11/x
  3. Step 3: Cross multiply
    8,848.11x = 12,211.52 × 5,311.11
  4. Step 4: Simplify right side
    8,848.11x = 64,856,699.43
  5. Step 5: Solve for x
    x = 64,856,699.43/8,848.11
  6. Step 6: Final answer
    x = 7,330.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.