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Finding the Fourth Proportional to 66,908.65, 92,329.33 and 36,693.30

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Solution

The fourth proportional to 66,908.65, 92,329.33 and 36,693.30 is: 50,634.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,908.65 : 92,329.33 = 36,693.30 : x
  2. Step 2: Convert to fraction form
    66,908.65/92,329.33 = 36,693.30/x
  3. Step 3: Cross multiply
    66,908.65x = 92,329.33 × 36,693.30
  4. Step 4: Simplify right side
    66,908.65x = 3,387,868,179.39
  5. Step 5: Solve for x
    x = 3,387,868,179.39/66,908.65
  6. Step 6: Final answer
    x = 50,634.24

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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.