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Finding the Fourth Proportional to 4,791.66, 7,185.54 and 1,503.72

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Solution

The fourth proportional to 4,791.66, 7,185.54 and 1,503.72 is: 2,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,791.66 : 7,185.54 = 1,503.72 : x
  2. Step 2: Convert to fraction form
    4,791.66/7,185.54 = 1,503.72/x
  3. Step 3: Cross multiply
    4,791.66x = 7,185.54 × 1,503.72
  4. Step 4: Simplify right side
    4,791.66x = 10,805,040.21
  5. Step 5: Solve for x
    x = 10,805,040.21/4,791.66
  6. Step 6: Final answer
    x = 2,254.97

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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.