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Finding the Fourth Proportional to 66,782.24, 92,159.28 and 36,974.24

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Solution

The fourth proportional to 66,782.24, 92,159.28 and 36,974.24 is: 51,024.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,782.24 : 92,159.28 = 36,974.24 : x
  2. Step 2: Convert to fraction form
    66,782.24/92,159.28 = 36,974.24/x
  3. Step 3: Cross multiply
    66,782.24x = 92,159.28 × 36,974.24
  4. Step 4: Simplify right side
    66,782.24x = 3,407,519,336.95
  5. Step 5: Solve for x
    x = 3,407,519,336.95/66,782.24
  6. Step 6: Final answer
    x = 51,024.33

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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.