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Finding the Fourth Proportional to 50,754.30, 70,041.09 and 28,092.90

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Solution

The fourth proportional to 50,754.30, 70,041.09 and 28,092.90 is: 38,768.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,754.30 : 70,041.09 = 28,092.90 : x
  2. Step 2: Convert to fraction form
    50,754.30/70,041.09 = 28,092.90/x
  3. Step 3: Cross multiply
    50,754.30x = 70,041.09 × 28,092.90
  4. Step 4: Simplify right side
    50,754.30x = 1,967,657,337.26
  5. Step 5: Solve for x
    x = 1,967,657,337.26/50,754.30
  6. Step 6: Final answer
    x = 38,768.29

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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.