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Finding the Fourth Proportional to 7,164.78, 10,745.16 and 2,484.60

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Solution

The fourth proportional to 7,164.78, 10,745.16 and 2,484.60 is: 3,726.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,164.78 : 10,745.16 = 2,484.60 : x
  2. Step 2: Convert to fraction form
    7,164.78/10,745.16 = 2,484.60/x
  3. Step 3: Cross multiply
    7,164.78x = 10,745.16 × 2,484.60
  4. Step 4: Simplify right side
    7,164.78x = 26,697,424.54
  5. Step 5: Solve for x
    x = 26,697,424.54/7,164.78
  6. Step 6: Final answer
    x = 3,726.20

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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.