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Finding the Fourth Proportional to 28,698.77, 43,046.96 and 9,983.04

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Solution

The fourth proportional to 28,698.77, 43,046.96 and 9,983.04 is: 14,974.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,698.77 : 43,046.96 = 9,983.04 : x
  2. Step 2: Convert to fraction form
    28,698.77/43,046.96 = 9,983.04/x
  3. Step 3: Cross multiply
    28,698.77x = 43,046.96 × 9,983.04
  4. Step 4: Simplify right side
    28,698.77x = 429,739,473.64
  5. Step 5: Solve for x
    x = 429,739,473.64/28,698.77
  6. Step 6: Final answer
    x = 14,974.15

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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.