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Finding the Fourth Proportional to 4,886.73, 6,739.61 and 4,001.00

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Solution

The fourth proportional to 4,886.73, 6,739.61 and 4,001.00 is: 5,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,886.73 : 6,739.61 = 4,001.00 : x
  2. Step 2: Convert to fraction form
    4,886.73/6,739.61 = 4,001.00/x
  3. Step 3: Cross multiply
    4,886.73x = 6,739.61 × 4,001.00
  4. Step 4: Simplify right side
    4,886.73x = 26,965,125.91
  5. Step 5: Solve for x
    x = 26,965,125.91/4,886.73
  6. Step 6: Final answer
    x = 5,518.03

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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.