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Finding the Fourth Proportional to 8,282.94, 12,408.01 and 5,363.30

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Solution

The fourth proportional to 8,282.94, 12,408.01 and 5,363.30 is: 8,034.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,282.94 : 12,408.01 = 5,363.30 : x
  2. Step 2: Convert to fraction form
    8,282.94/12,408.01 = 5,363.30/x
  3. Step 3: Cross multiply
    8,282.94x = 12,408.01 × 5,363.30
  4. Step 4: Simplify right side
    8,282.94x = 66,547,880.03
  5. Step 5: Solve for x
    x = 66,547,880.03/8,282.94
  6. Step 6: Final answer
    x = 8,034.33

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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.