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Finding the Fourth Proportional to 64,625.97, 89,140 and 41,924.39

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Solution

The fourth proportional to 64,625.97, 89,140 and 41,924.39 is: 57,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,625.97 : 89,140 = 41,924.39 : x
  2. Step 2: Convert to fraction form
    64,625.97/89,140 = 41,924.39/x
  3. Step 3: Cross multiply
    64,625.97x = 89,140 × 41,924.39
  4. Step 4: Simplify right side
    64,625.97x = 3,737,140,124.60
  5. Step 5: Solve for x
    x = 3,737,140,124.60/64,625.97
  6. Step 6: Final answer
    x = 57,827.22

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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.