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Finding the Fourth Proportional to 34,129.84, 51,187.08 and 12,241.84

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Solution

The fourth proportional to 34,129.84, 51,187.08 and 12,241.84 is: 18,360.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.84 : 51,187.08 = 12,241.84 : x
  2. Step 2: Convert to fraction form
    34,129.84/51,187.08 = 12,241.84/x
  3. Step 3: Cross multiply
    34,129.84x = 51,187.08 × 12,241.84
  4. Step 4: Simplify right side
    34,129.84x = 626,624,043.43
  5. Step 5: Solve for x
    x = 626,624,043.43/34,129.84
  6. Step 6: Final answer
    x = 18,360.01

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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.