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Finding the Fourth Proportional to 34,729.60, 52,017.60 and 13,942.40

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Solution

The fourth proportional to 34,729.60, 52,017.60 and 13,942.40 is: 20,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,729.60 : 52,017.60 = 13,942.40 : x
  2. Step 2: Convert to fraction form
    34,729.60/52,017.60 = 13,942.40/x
  3. Step 3: Cross multiply
    34,729.60x = 52,017.60 × 13,942.40
  4. Step 4: Simplify right side
    34,729.60x = 725,250,186.24
  5. Step 5: Solve for x
    x = 725,250,186.24/34,729.60
  6. Step 6: Final answer
    x = 20,882.77

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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.