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Finding the Fourth Proportional to 50,797.52, 70,098.12 and 28,137.32

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Solution

The fourth proportional to 50,797.52, 70,098.12 and 28,137.32 is: 38,828.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,797.52 : 70,098.12 = 28,137.32 : x
  2. Step 2: Convert to fraction form
    50,797.52/70,098.12 = 28,137.32/x
  3. Step 3: Cross multiply
    50,797.52x = 70,098.12 × 28,137.32
  4. Step 4: Simplify right side
    50,797.52x = 1,972,373,233.84
  5. Step 5: Solve for x
    x = 1,972,373,233.84/50,797.52
  6. Step 6: Final answer
    x = 38,828.14

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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.