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Finding the Fourth Proportional to 70,954.17, 106,437.24 and 18,364.65

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Solution

The fourth proportional to 70,954.17, 106,437.24 and 18,364.65 is: 27,548.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,954.17 : 106,437.24 = 18,364.65 : x
  2. Step 2: Convert to fraction form
    70,954.17/106,437.24 = 18,364.65/x
  3. Step 3: Cross multiply
    70,954.17x = 106,437.24 × 18,364.65
  4. Step 4: Simplify right side
    70,954.17x = 1,954,682,659.57
  5. Step 5: Solve for x
    x = 1,954,682,659.57/70,954.17
  6. Step 6: Final answer
    x = 27,548.52

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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.