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Finding the Fourth Proportional to 6,622.19, 9,935.71 and 6,230.96

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Solution

The fourth proportional to 6,622.19, 9,935.71 and 6,230.96 is: 9,348.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,622.19 : 9,935.71 = 6,230.96 : x
  2. Step 2: Convert to fraction form
    6,622.19/9,935.71 = 6,230.96/x
  3. Step 3: Cross multiply
    6,622.19x = 9,935.71 × 6,230.96
  4. Step 4: Simplify right side
    6,622.19x = 61,908,983.58
  5. Step 5: Solve for x
    x = 61,908,983.58/6,622.19
  6. Step 6: Final answer
    x = 9,348.72

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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.