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Finding the Fourth Proportional to 61,873.20, 85,385.32 and 33,578.92

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Solution

The fourth proportional to 61,873.20, 85,385.32 and 33,578.92 is: 46,339.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,873.20 : 85,385.32 = 33,578.92 : x
  2. Step 2: Convert to fraction form
    61,873.20/85,385.32 = 33,578.92/x
  3. Step 3: Cross multiply
    61,873.20x = 85,385.32 × 33,578.92
  4. Step 4: Simplify right side
    61,873.20x = 2,867,146,829.45
  5. Step 5: Solve for x
    x = 2,867,146,829.45/61,873.20
  6. Step 6: Final answer
    x = 46,339.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.