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Finding the Fourth Proportional to 70,014.73, 96,616.49 and 39,795.86

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Solution

The fourth proportional to 70,014.73, 96,616.49 and 39,795.86 is: 54,916.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,014.73 : 96,616.49 = 39,795.86 : x
  2. Step 2: Convert to fraction form
    70,014.73/96,616.49 = 39,795.86/x
  3. Step 3: Cross multiply
    70,014.73x = 96,616.49 × 39,795.86
  4. Step 4: Simplify right side
    70,014.73x = 3,844,936,309.73
  5. Step 5: Solve for x
    x = 3,844,936,309.73/70,014.73
  6. Step 6: Final answer
    x = 54,916.11

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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.