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Finding the Fourth Proportional to 8,464.84, 12,697.08 and 2,308.84

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Solution

The fourth proportional to 8,464.84, 12,697.08 and 2,308.84 is: 3,463.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.84 : 12,697.08 = 2,308.84 : x
  2. Step 2: Convert to fraction form
    8,464.84/12,697.08 = 2,308.84/x
  3. Step 3: Cross multiply
    8,464.84x = 12,697.08 × 2,308.84
  4. Step 4: Simplify right side
    8,464.84x = 29,315,526.19
  5. Step 5: Solve for x
    x = 29,315,526.19/8,464.84
  6. Step 6: Final answer
    x = 3,463.21

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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.