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Finding the Fourth Proportional to 68,020.77, 93,894.82 and 45,351.49

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Solution

The fourth proportional to 68,020.77, 93,894.82 and 45,351.49 is: 62,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,020.77 : 93,894.82 = 45,351.49 : x
  2. Step 2: Convert to fraction form
    68,020.77/93,894.82 = 45,351.49/x
  3. Step 3: Cross multiply
    68,020.77x = 93,894.82 × 45,351.49
  4. Step 4: Simplify right side
    68,020.77x = 4,258,269,990.28
  5. Step 5: Solve for x
    x = 4,258,269,990.28/68,020.77
  6. Step 6: Final answer
    x = 62,602.50

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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.