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Finding the Fourth Proportional to 50,886.28, 70,223.07 and 28,224.51

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Solution

The fourth proportional to 50,886.28, 70,223.07 and 28,224.51 is: 38,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,886.28 : 70,223.07 = 28,224.51 : x
  2. Step 2: Convert to fraction form
    50,886.28/70,223.07 = 28,224.51/x
  3. Step 3: Cross multiply
    50,886.28x = 70,223.07 × 28,224.51
  4. Step 4: Simplify right side
    50,886.28x = 1,982,011,741.45
  5. Step 5: Solve for x
    x = 1,982,011,741.45/50,886.28
  6. Step 6: Final answer
    x = 38,949.83

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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.