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Finding the Fourth Proportional to 8,806.38, 13,205.22 and 4,358.88

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Solution

The fourth proportional to 8,806.38, 13,205.22 and 4,358.88 is: 6,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.38 : 13,205.22 = 4,358.88 : x
  2. Step 2: Convert to fraction form
    8,806.38/13,205.22 = 4,358.88/x
  3. Step 3: Cross multiply
    8,806.38x = 13,205.22 × 4,358.88
  4. Step 4: Simplify right side
    8,806.38x = 57,559,969.35
  5. Step 5: Solve for x
    x = 57,559,969.35/8,806.38
  6. Step 6: Final answer
    x = 6,536.17

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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.