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Finding the Fourth Proportional to 68,224.68, 94,148.64 and 38,009.96

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Solution

The fourth proportional to 68,224.68, 94,148.64 and 38,009.96 is: 52,452.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,224.68 : 94,148.64 = 38,009.96 : x
  2. Step 2: Convert to fraction form
    68,224.68/94,148.64 = 38,009.96/x
  3. Step 3: Cross multiply
    68,224.68x = 94,148.64 × 38,009.96
  4. Step 4: Simplify right side
    68,224.68x = 3,578,586,040.45
  5. Step 5: Solve for x
    x = 3,578,586,040.45/68,224.68
  6. Step 6: Final answer
    x = 52,452.95

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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.