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Finding the Fourth Proportional to 69,386.76, 104,086.67 and 19,466.66

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Solution

The fourth proportional to 69,386.76, 104,086.67 and 19,466.66 is: 29,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,386.76 : 104,086.67 = 19,466.66 : x
  2. Step 2: Convert to fraction form
    69,386.76/104,086.67 = 19,466.66/x
  3. Step 3: Cross multiply
    69,386.76x = 104,086.67 × 19,466.66
  4. Step 4: Simplify right side
    69,386.76x = 2,026,220,124.31
  5. Step 5: Solve for x
    x = 2,026,220,124.31/69,386.76
  6. Step 6: Final answer
    x = 29,201.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.