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Finding the Fourth Proportional to 68,285, 94,224.12 and 38,066.87

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Solution

The fourth proportional to 68,285, 94,224.12 and 38,066.87 is: 52,527.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285 : 94,224.12 = 38,066.87 : x
  2. Step 2: Convert to fraction form
    68,285/94,224.12 = 38,066.87/x
  3. Step 3: Cross multiply
    68,285x = 94,224.12 × 38,066.87
  4. Step 4: Simplify right side
    68,285x = 3,586,817,326.90
  5. Step 5: Solve for x
    x = 3,586,817,326.90/68,285
  6. Step 6: Final answer
    x = 52,527.16

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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.