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Finding the Fourth Proportional to 4,987.61, 7,481.95 and 1,700.73

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Solution

The fourth proportional to 4,987.61, 7,481.95 and 1,700.73 is: 2,551.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.61 : 7,481.95 = 1,700.73 : x
  2. Step 2: Convert to fraction form
    4,987.61/7,481.95 = 1,700.73/x
  3. Step 3: Cross multiply
    4,987.61x = 7,481.95 × 1,700.73
  4. Step 4: Simplify right side
    4,987.61x = 12,724,776.82
  5. Step 5: Solve for x
    x = 12,724,776.82/4,987.61
  6. Step 6: Final answer
    x = 2,551.28

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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.