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Finding the Fourth Proportional to 34,704.90, 51,984.45 and 19,104.30

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Solution

The fourth proportional to 34,704.90, 51,984.45 and 19,104.30 is: 28,616.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,704.90 : 51,984.45 = 19,104.30 : x
  2. Step 2: Convert to fraction form
    34,704.90/51,984.45 = 19,104.30/x
  3. Step 3: Cross multiply
    34,704.90x = 51,984.45 × 19,104.30
  4. Step 4: Simplify right side
    34,704.90x = 993,126,528.14
  5. Step 5: Solve for x
    x = 993,126,528.14/34,704.90
  6. Step 6: Final answer
    x = 28,616.32

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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.