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Finding the Fourth Proportional to 71,352.09, 107,029.19 and 33,916.01

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Solution

The fourth proportional to 71,352.09, 107,029.19 and 33,916.01 is: 50,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.09 : 107,029.19 = 33,916.01 : x
  2. Step 2: Convert to fraction form
    71,352.09/107,029.19 = 33,916.01/x
  3. Step 3: Cross multiply
    71,352.09x = 107,029.19 × 33,916.01
  4. Step 4: Simplify right side
    71,352.09x = 3,630,002,641.18
  5. Step 5: Solve for x
    x = 3,630,002,641.18/71,352.09
  6. Step 6: Final answer
    x = 50,874.51

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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.