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Finding the Fourth Proportional to 66,959.80, 92,405.66 and 36,747.94

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Solution

The fourth proportional to 66,959.80, 92,405.66 and 36,747.94 is: 50,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,959.80 : 92,405.66 = 36,747.94 : x
  2. Step 2: Convert to fraction form
    66,959.80/92,405.66 = 36,747.94/x
  3. Step 3: Cross multiply
    66,959.80x = 92,405.66 × 36,747.94
  4. Step 4: Simplify right side
    66,959.80x = 3,395,717,364.07
  5. Step 5: Solve for x
    x = 3,395,717,364.07/66,959.80
  6. Step 6: Final answer
    x = 50,712.77

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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.