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Finding the Fourth Proportional to 34,659.39, 51,989.08 and 8,364.13

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Solution

The fourth proportional to 34,659.39, 51,989.08 and 8,364.13 is: 12,546.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,659.39 : 51,989.08 = 8,364.13 : x
  2. Step 2: Convert to fraction form
    34,659.39/51,989.08 = 8,364.13/x
  3. Step 3: Cross multiply
    34,659.39x = 51,989.08 × 8,364.13
  4. Step 4: Simplify right side
    34,659.39x = 434,843,402.79
  5. Step 5: Solve for x
    x = 434,843,402.79/34,659.39
  6. Step 6: Final answer
    x = 12,546.20

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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.