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Finding the Fourth Proportional to 29,988.97, 44,983.44 and 8,928.91

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Solution

The fourth proportional to 29,988.97, 44,983.44 and 8,928.91 is: 13,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,988.97 : 44,983.44 = 8,928.91 : x
  2. Step 2: Convert to fraction form
    29,988.97/44,983.44 = 8,928.91/x
  3. Step 3: Cross multiply
    29,988.97x = 44,983.44 × 8,928.91
  4. Step 4: Simplify right side
    29,988.97x = 401,653,087.25
  5. Step 5: Solve for x
    x = 401,653,087.25/29,988.97
  6. Step 6: Final answer
    x = 13,393.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.