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Finding the Fourth Proportional to 68,476.32, 94,497.84 and 38,668.32

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Solution

The fourth proportional to 68,476.32, 94,497.84 and 38,668.32 is: 53,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,476.32 : 94,497.84 = 38,668.32 : x
  2. Step 2: Convert to fraction form
    68,476.32/94,497.84 = 38,668.32/x
  3. Step 3: Cross multiply
    68,476.32x = 94,497.84 × 38,668.32
  4. Step 4: Simplify right side
    68,476.32x = 3,654,072,716.43
  5. Step 5: Solve for x
    x = 3,654,072,716.43/68,476.32
  6. Step 6: Final answer
    x = 53,362.57

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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.