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Finding the Fourth Proportional to 50,883.70, 70,220.02 and 28,223.14

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Solution

The fourth proportional to 50,883.70, 70,220.02 and 28,223.14 is: 38,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,883.70 : 70,220.02 = 28,223.14 : x
  2. Step 2: Convert to fraction form
    50,883.70/70,220.02 = 28,223.14/x
  3. Step 3: Cross multiply
    50,883.70x = 70,220.02 × 28,223.14
  4. Step 4: Simplify right side
    50,883.70x = 1,981,829,455.26
  5. Step 5: Solve for x
    x = 1,981,829,455.26/50,883.70
  6. Step 6: Final answer
    x = 38,948.22

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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.