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Finding the Fourth Proportional to 69,660.71, 104,458.13 and 26,986.13

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Solution

The fourth proportional to 69,660.71, 104,458.13 and 26,986.13 is: 40,466.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,660.71 : 104,458.13 = 26,986.13 : x
  2. Step 2: Convert to fraction form
    69,660.71/104,458.13 = 26,986.13/x
  3. Step 3: Cross multiply
    69,660.71x = 104,458.13 × 26,986.13
  4. Step 4: Simplify right side
    69,660.71x = 2,818,920,675.74
  5. Step 5: Solve for x
    x = 2,818,920,675.74/69,660.71
  6. Step 6: Final answer
    x = 40,466.43

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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.