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Finding the Fourth Proportional to 8,806.71, 13,210.07 and 2,967.42

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Solution

The fourth proportional to 8,806.71, 13,210.07 and 2,967.42 is: 4,451.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,806.71 : 13,210.07 = 2,967.42 : x
  2. Step 2: Convert to fraction form
    8,806.71/13,210.07 = 2,967.42/x
  3. Step 3: Cross multiply
    8,806.71x = 13,210.07 × 2,967.42
  4. Step 4: Simplify right side
    8,806.71x = 39,199,825.92
  5. Step 5: Solve for x
    x = 39,199,825.92/8,806.71
  6. Step 6: Final answer
    x = 4,451.13

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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.