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Finding the Fourth Proportional to 4,914.76, 7,365.58 and 1,791.83

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Solution

The fourth proportional to 4,914.76, 7,365.58 and 1,791.83 is: 2,685.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,914.76 : 7,365.58 = 1,791.83 : x
  2. Step 2: Convert to fraction form
    4,914.76/7,365.58 = 1,791.83/x
  3. Step 3: Cross multiply
    4,914.76x = 7,365.58 × 1,791.83
  4. Step 4: Simplify right side
    4,914.76x = 13,197,867.21
  5. Step 5: Solve for x
    x = 13,197,867.21/4,914.76
  6. Step 6: Final answer
    x = 2,685.35

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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.