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Finding the Fourth Proportional to 48,019.70, 72,029.55 and 44,947.70

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Solution

The fourth proportional to 48,019.70, 72,029.55 and 44,947.70 is: 67,421.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,019.70 : 72,029.55 = 44,947.70 : x
  2. Step 2: Convert to fraction form
    48,019.70/72,029.55 = 44,947.70/x
  3. Step 3: Cross multiply
    48,019.70x = 72,029.55 × 44,947.70
  4. Step 4: Simplify right side
    48,019.70x = 3,237,562,604.54
  5. Step 5: Solve for x
    x = 3,237,562,604.54/48,019.70
  6. Step 6: Final answer
    x = 67,421.55

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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.