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Finding the Fourth Proportional to 55,162.98, 82,796.30 and 28,886.58

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Solution

The fourth proportional to 55,162.98, 82,796.30 and 28,886.58 is: 43,357.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,162.98 : 82,796.30 = 28,886.58 : x
  2. Step 2: Convert to fraction form
    55,162.98/82,796.30 = 28,886.58/x
  3. Step 3: Cross multiply
    55,162.98x = 82,796.30 × 28,886.58
  4. Step 4: Simplify right side
    55,162.98x = 2,391,701,943.65
  5. Step 5: Solve for x
    x = 2,391,701,943.65/55,162.98
  6. Step 6: Final answer
    x = 43,357.01

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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.