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Finding the Fourth Proportional to 66,898.38, 92,320.62 and 36,683.61

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Solution

The fourth proportional to 66,898.38, 92,320.62 and 36,683.61 is: 50,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,898.38 : 92,320.62 = 36,683.61 : x
  2. Step 2: Convert to fraction form
    66,898.38/92,320.62 = 36,683.61/x
  3. Step 3: Cross multiply
    66,898.38x = 92,320.62 × 36,683.61
  4. Step 4: Simplify right side
    66,898.38x = 3,386,653,619.04
  5. Step 5: Solve for x
    x = 3,386,653,619.04/66,898.38
  6. Step 6: Final answer
    x = 50,623.85

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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.