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Finding the Fourth Proportional to 69,751.82, 96,258.12 and 37,920.74

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Solution

The fourth proportional to 69,751.82, 96,258.12 and 37,920.74 is: 52,330.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,751.82 : 96,258.12 = 37,920.74 : x
  2. Step 2: Convert to fraction form
    69,751.82/96,258.12 = 37,920.74/x
  3. Step 3: Cross multiply
    69,751.82x = 96,258.12 × 37,920.74
  4. Step 4: Simplify right side
    69,751.82x = 3,650,179,141.41
  5. Step 5: Solve for x
    x = 3,650,179,141.41/69,751.82
  6. Step 6: Final answer
    x = 52,330.95

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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.