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Finding the Fourth Proportional to 70,703.56, 106,059.48 and 26,326.72

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Solution

The fourth proportional to 70,703.56, 106,059.48 and 26,326.72 is: 39,491.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,703.56 : 106,059.48 = 26,326.72 : x
  2. Step 2: Convert to fraction form
    70,703.56/106,059.48 = 26,326.72/x
  3. Step 3: Cross multiply
    70,703.56x = 106,059.48 × 26,326.72
  4. Step 4: Simplify right side
    70,703.56x = 2,792,198,233.31
  5. Step 5: Solve for x
    x = 2,792,198,233.31/70,703.56
  6. Step 6: Final answer
    x = 39,491.62

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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.