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Finding the Fourth Proportional to 50,953.41, 75,913.58 and 48,443.90

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Solution

The fourth proportional to 50,953.41, 75,913.58 and 48,443.90 is: 72,174.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,953.41 : 75,913.58 = 48,443.90 : x
  2. Step 2: Convert to fraction form
    50,953.41/75,913.58 = 48,443.90/x
  3. Step 3: Cross multiply
    50,953.41x = 75,913.58 × 48,443.90
  4. Step 4: Simplify right side
    50,953.41x = 3,677,549,619.70
  5. Step 5: Solve for x
    x = 3,677,549,619.70/50,953.41
  6. Step 6: Final answer
    x = 72,174.75

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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.