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Finding the Fourth Proportional to 71,322.70, 106,943.55 and 26,950.90

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Solution

The fourth proportional to 71,322.70, 106,943.55 and 26,950.90 is: 40,411.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,322.70 : 106,943.55 = 26,950.90 : x
  2. Step 2: Convert to fraction form
    71,322.70/106,943.55 = 26,950.90/x
  3. Step 3: Cross multiply
    71,322.70x = 106,943.55 × 26,950.90
  4. Step 4: Simplify right side
    71,322.70x = 2,882,224,921.70
  5. Step 5: Solve for x
    x = 2,882,224,921.70/71,322.70
  6. Step 6: Final answer
    x = 40,411.05

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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.