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Finding the Fourth Proportional to 15,459.60, 23,217.84 and 8,069.04

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Solution

The fourth proportional to 15,459.60, 23,217.84 and 8,069.04 is: 12,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,459.60 : 23,217.84 = 8,069.04 : x
  2. Step 2: Convert to fraction form
    15,459.60/23,217.84 = 8,069.04/x
  3. Step 3: Cross multiply
    15,459.60x = 23,217.84 × 8,069.04
  4. Step 4: Simplify right side
    15,459.60x = 187,345,679.67
  5. Step 5: Solve for x
    x = 187,345,679.67/15,459.60
  6. Step 6: Final answer
    x = 12,118.40

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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.