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Finding the Fourth Proportional to 50,797.77, 70,098.47 and 28,137.57

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Solution

The fourth proportional to 50,797.77, 70,098.47 and 28,137.57 is: 38,828.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,797.77 : 70,098.47 = 28,137.57 : x
  2. Step 2: Convert to fraction form
    50,797.77/70,098.47 = 28,137.57/x
  3. Step 3: Cross multiply
    50,797.77x = 70,098.47 × 28,137.57
  4. Step 4: Simplify right side
    50,797.77x = 1,972,400,465.83
  5. Step 5: Solve for x
    x = 1,972,400,465.83/50,797.77
  6. Step 6: Final answer
    x = 38,828.49

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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.