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Finding the Fourth Proportional to 7,005.58, 10,508.59 and 2,622.20

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Solution

The fourth proportional to 7,005.58, 10,508.59 and 2,622.20 is: 3,933.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,005.58 : 10,508.59 = 2,622.20 : x
  2. Step 2: Convert to fraction form
    7,005.58/10,508.59 = 2,622.20/x
  3. Step 3: Cross multiply
    7,005.58x = 10,508.59 × 2,622.20
  4. Step 4: Simplify right side
    7,005.58x = 27,555,624.70
  5. Step 5: Solve for x
    x = 27,555,624.70/7,005.58
  6. Step 6: Final answer
    x = 3,933.38

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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.