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Finding the Fourth Proportional to 66,691.80, 92,033.39 and 36,477.03

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Solution

The fourth proportional to 66,691.80, 92,033.39 and 36,477.03 is: 50,337.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,691.80 : 92,033.39 = 36,477.03 : x
  2. Step 2: Convert to fraction form
    66,691.80/92,033.39 = 36,477.03/x
  3. Step 3: Cross multiply
    66,691.80x = 92,033.39 × 36,477.03
  4. Step 4: Simplify right side
    66,691.80x = 3,357,104,728.03
  5. Step 5: Solve for x
    x = 3,357,104,728.03/66,691.80
  6. Step 6: Final answer
    x = 50,337.59

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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.