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Finding the Fourth Proportional to 8,288.66, 12,412.74 and 5,358.08

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Solution

The fourth proportional to 8,288.66, 12,412.74 and 5,358.08 is: 8,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.66 : 12,412.74 = 5,358.08 : x
  2. Step 2: Convert to fraction form
    8,288.66/12,412.74 = 5,358.08/x
  3. Step 3: Cross multiply
    8,288.66x = 12,412.74 × 5,358.08
  4. Step 4: Simplify right side
    8,288.66x = 66,508,453.94
  5. Step 5: Solve for x
    x = 66,508,453.94/8,288.66
  6. Step 6: Final answer
    x = 8,024.03

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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.