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Finding the Fourth Proportional to 71,352.60, 107,029.94 and 33,916.51

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Solution

The fourth proportional to 71,352.60, 107,029.94 and 33,916.51 is: 50,875.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,352.60 : 107,029.94 = 33,916.51 : x
  2. Step 2: Convert to fraction form
    71,352.60/107,029.94 = 33,916.51/x
  3. Step 3: Cross multiply
    71,352.60x = 107,029.94 × 33,916.51
  4. Step 4: Simplify right side
    71,352.60x = 3,630,081,860.73
  5. Step 5: Solve for x
    x = 3,630,081,860.73/71,352.60
  6. Step 6: Final answer
    x = 50,875.26

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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.