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Finding the Fourth Proportional to 35,846.80, 49,480.88 and 21,699.64

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Solution

The fourth proportional to 35,846.80, 49,480.88 and 21,699.64 is: 29,952.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,846.80 : 49,480.88 = 21,699.64 : x
  2. Step 2: Convert to fraction form
    35,846.80/49,480.88 = 21,699.64/x
  3. Step 3: Cross multiply
    35,846.80x = 49,480.88 × 21,699.64
  4. Step 4: Simplify right side
    35,846.80x = 1,073,717,282.88
  5. Step 5: Solve for x
    x = 1,073,717,282.88/35,846.80
  6. Step 6: Final answer
    x = 29,952.95

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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.