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Finding the Fourth Proportional to 48,737.80, 73,193.10 and 37,671.40

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Solution

The fourth proportional to 48,737.80, 73,193.10 and 37,671.40 is: 56,573.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,737.80 : 73,193.10 = 37,671.40 : x
  2. Step 2: Convert to fraction form
    48,737.80/73,193.10 = 37,671.40/x
  3. Step 3: Cross multiply
    48,737.80x = 73,193.10 × 37,671.40
  4. Step 4: Simplify right side
    48,737.80x = 2,757,286,547.34
  5. Step 5: Solve for x
    x = 2,757,286,547.34/48,737.80
  6. Step 6: Final answer
    x = 56,573.88

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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.