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Finding the Fourth Proportional to 48,198.72, 72,021.80 and 36,737.22

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Solution

The fourth proportional to 48,198.72, 72,021.80 and 36,737.22 is: 54,895.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,198.72 : 72,021.80 = 36,737.22 : x
  2. Step 2: Convert to fraction form
    48,198.72/72,021.80 = 36,737.22/x
  3. Step 3: Cross multiply
    48,198.72x = 72,021.80 × 36,737.22
  4. Step 4: Simplify right side
    48,198.72x = 2,645,880,711.40
  5. Step 5: Solve for x
    x = 2,645,880,711.40/48,198.72
  6. Step 6: Final answer
    x = 54,895.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.