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Finding the Fourth Proportional to 50,909.49, 75,950.91 and 48,153.87

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Solution

The fourth proportional to 50,909.49, 75,950.91 and 48,153.87 is: 71,839.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,909.49 : 75,950.91 = 48,153.87 : x
  2. Step 2: Convert to fraction form
    50,909.49/75,950.91 = 48,153.87/x
  3. Step 3: Cross multiply
    50,909.49x = 75,950.91 × 48,153.87
  4. Step 4: Simplify right side
    50,909.49x = 3,657,330,246.52
  5. Step 5: Solve for x
    x = 3,657,330,246.52/50,909.49
  6. Step 6: Final answer
    x = 71,839.85

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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.