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Finding the Fourth Proportional to 35,481.75, 48,965.16 and 19,566.74

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Solution

The fourth proportional to 35,481.75, 48,965.16 and 19,566.74 is: 27,002.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,481.75 : 48,965.16 = 19,566.74 : x
  2. Step 2: Convert to fraction form
    35,481.75/48,965.16 = 19,566.74/x
  3. Step 3: Cross multiply
    35,481.75x = 48,965.16 × 19,566.74
  4. Step 4: Simplify right side
    35,481.75x = 958,088,309.95
  5. Step 5: Solve for x
    x = 958,088,309.95/35,481.75
  6. Step 6: Final answer
    x = 27,002.28

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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.