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Finding the Fourth Proportional to 22,140.72, 33,211 and 6,557.08

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Solution

The fourth proportional to 22,140.72, 33,211 and 6,557.08 is: 9,835.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,140.72 : 33,211 = 6,557.08 : x
  2. Step 2: Convert to fraction form
    22,140.72/33,211 = 6,557.08/x
  3. Step 3: Cross multiply
    22,140.72x = 33,211 × 6,557.08
  4. Step 4: Simplify right side
    22,140.72x = 217,767,183.88
  5. Step 5: Solve for x
    x = 217,767,183.88/22,140.72
  6. Step 6: Final answer
    x = 9,835.60

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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.