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Finding the Fourth Proportional to 35,348.56, 48,776.29 and 21,914.92

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Solution

The fourth proportional to 35,348.56, 48,776.29 and 21,914.92 is: 30,239.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,348.56 : 48,776.29 = 21,914.92 : x
  2. Step 2: Convert to fraction form
    35,348.56/48,776.29 = 21,914.92/x
  3. Step 3: Cross multiply
    35,348.56x = 48,776.29 × 21,914.92
  4. Step 4: Simplify right side
    35,348.56x = 1,068,928,493.25
  5. Step 5: Solve for x
    x = 1,068,928,493.25/35,348.56
  6. Step 6: Final answer
    x = 30,239.66

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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.