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Finding the Fourth Proportional to 49,019.40, 73,529.10 and 47,723.40

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Solution

The fourth proportional to 49,019.40, 73,529.10 and 47,723.40 is: 71,585.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,019.40 : 73,529.10 = 47,723.40 : x
  2. Step 2: Convert to fraction form
    49,019.40/73,529.10 = 47,723.40/x
  3. Step 3: Cross multiply
    49,019.40x = 73,529.10 × 47,723.40
  4. Step 4: Simplify right side
    49,019.40x = 3,509,058,650.94
  5. Step 5: Solve for x
    x = 3,509,058,650.94/49,019.40
  6. Step 6: Final answer
    x = 71,585.10

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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.