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Finding the Fourth Proportional to 48,863.70, 73,295.84 and 13,803.66

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Solution

The fourth proportional to 48,863.70, 73,295.84 and 13,803.66 is: 20,705.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,863.70 : 73,295.84 = 13,803.66 : x
  2. Step 2: Convert to fraction form
    48,863.70/73,295.84 = 13,803.66/x
  3. Step 3: Cross multiply
    48,863.70x = 73,295.84 × 13,803.66
  4. Step 4: Simplify right side
    48,863.70x = 1,011,750,854.77
  5. Step 5: Solve for x
    x = 1,011,750,854.77/48,863.70
  6. Step 6: Final answer
    x = 20,705.57

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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.