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Finding the Fourth Proportional to 34,641.38, 51,962.09 and 8,346.15

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Solution

The fourth proportional to 34,641.38, 51,962.09 and 8,346.15 is: 12,519.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,641.38 : 51,962.09 = 8,346.15 : x
  2. Step 2: Convert to fraction form
    34,641.38/51,962.09 = 8,346.15/x
  3. Step 3: Cross multiply
    34,641.38x = 51,962.09 × 8,346.15
  4. Step 4: Simplify right side
    34,641.38x = 433,683,418.32
  5. Step 5: Solve for x
    x = 433,683,418.32/34,641.38
  6. Step 6: Final answer
    x = 12,519.23

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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.