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Finding the Fourth Proportional to 3,018.60, 4,520.60 and 1,533.92

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Solution

The fourth proportional to 3,018.60, 4,520.60 and 1,533.92 is: 2,297.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,018.60 : 4,520.60 = 1,533.92 : x
  2. Step 2: Convert to fraction form
    3,018.60/4,520.60 = 1,533.92/x
  3. Step 3: Cross multiply
    3,018.60x = 4,520.60 × 1,533.92
  4. Step 4: Simplify right side
    3,018.60x = 6,934,208.48
  5. Step 5: Solve for x
    x = 6,934,208.48/3,018.60
  6. Step 6: Final answer
    x = 2,297.16

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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.