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Finding the Fourth Proportional to 50,883.98, 70,228.29 and 28,230.26

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Solution

The fourth proportional to 50,883.98, 70,228.29 and 28,230.26 is: 38,962.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,883.98 : 70,228.29 = 28,230.26 : x
  2. Step 2: Convert to fraction form
    50,883.98/70,228.29 = 28,230.26/x
  3. Step 3: Cross multiply
    50,883.98x = 70,228.29 × 28,230.26
  4. Step 4: Simplify right side
    50,883.98x = 1,982,563,312.24
  5. Step 5: Solve for x
    x = 1,982,563,312.24/50,883.98
  6. Step 6: Final answer
    x = 38,962.43

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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.