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Finding the Fourth Proportional to 8,568.48, 12,846.49 and 5,788.26

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Solution

The fourth proportional to 8,568.48, 12,846.49 and 5,788.26 is: 8,678.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.48 : 12,846.49 = 5,788.26 : x
  2. Step 2: Convert to fraction form
    8,568.48/12,846.49 = 5,788.26/x
  3. Step 3: Cross multiply
    8,568.48x = 12,846.49 × 5,788.26
  4. Step 4: Simplify right side
    8,568.48x = 74,358,824.21
  5. Step 5: Solve for x
    x = 74,358,824.21/8,568.48
  6. Step 6: Final answer
    x = 8,678.18

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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.