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Finding the Fourth Proportional to 66,930.71, 92,365.61 and 36,717.57

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Solution

The fourth proportional to 66,930.71, 92,365.61 and 36,717.57 is: 50,670.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,930.71 : 92,365.61 = 36,717.57 : x
  2. Step 2: Convert to fraction form
    66,930.71/92,365.61 = 36,717.57/x
  3. Step 3: Cross multiply
    66,930.71x = 92,365.61 × 36,717.57
  4. Step 4: Simplify right side
    66,930.71x = 3,391,440,567.18
  5. Step 5: Solve for x
    x = 3,391,440,567.18/66,930.71
  6. Step 6: Final answer
    x = 50,670.92

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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.