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Finding the Fourth Proportional to 66,926.66, 92,357.18 and 36,711.70

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Solution

The fourth proportional to 66,926.66, 92,357.18 and 36,711.70 is: 50,661.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,926.66 : 92,357.18 = 36,711.70 : x
  2. Step 2: Convert to fraction form
    66,926.66/92,357.18 = 36,711.70/x
  3. Step 3: Cross multiply
    66,926.66x = 92,357.18 × 36,711.70
  4. Step 4: Simplify right side
    66,926.66x = 3,390,588,808.22
  5. Step 5: Solve for x
    x = 3,390,588,808.22/66,926.66
  6. Step 6: Final answer
    x = 50,661.26

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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.