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Finding the Fourth Proportional to 70,818.45, 106,227.92 and 26,444.71

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Solution

The fourth proportional to 70,818.45, 106,227.92 and 26,444.71 is: 39,667.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,818.45 : 106,227.92 = 26,444.71 : x
  2. Step 2: Convert to fraction form
    70,818.45/106,227.92 = 26,444.71/x
  3. Step 3: Cross multiply
    70,818.45x = 106,227.92 × 26,444.71
  4. Step 4: Simplify right side
    70,818.45x = 2,809,166,538.30
  5. Step 5: Solve for x
    x = 2,809,166,538.30/70,818.45
  6. Step 6: Final answer
    x = 39,667.16

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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.