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Finding the Fourth Proportional to 50,993.84, 70,371.03 and 28,332.88

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Solution

The fourth proportional to 50,993.84, 70,371.03 and 28,332.88 is: 39,099.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,993.84 : 70,371.03 = 28,332.88 : x
  2. Step 2: Convert to fraction form
    50,993.84/70,371.03 = 28,332.88/x
  3. Step 3: Cross multiply
    50,993.84x = 70,371.03 × 28,332.88
  4. Step 4: Simplify right side
    50,993.84x = 1,993,813,948.47
  5. Step 5: Solve for x
    x = 1,993,813,948.47/50,993.84
  6. Step 6: Final answer
    x = 39,099.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.