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Finding the Fourth Proportional to 34,865.42, 52,304.40 and 12,709.88

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Solution

The fourth proportional to 34,865.42, 52,304.40 and 12,709.88 is: 19,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,865.42 : 52,304.40 = 12,709.88 : x
  2. Step 2: Convert to fraction form
    34,865.42/52,304.40 = 12,709.88/x
  3. Step 3: Cross multiply
    34,865.42x = 52,304.40 × 12,709.88
  4. Step 4: Simplify right side
    34,865.42x = 664,782,647.47
  5. Step 5: Solve for x
    x = 664,782,647.47/34,865.42
  6. Step 6: Final answer
    x = 19,067.11

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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.