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Finding the Fourth Proportional to 1,468.60, 2,203.02 and 1,102.20

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Solution

The fourth proportional to 1,468.60, 2,203.02 and 1,102.20 is: 1,653.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,468.60 : 2,203.02 = 1,102.20 : x
  2. Step 2: Convert to fraction form
    1,468.60/2,203.02 = 1,102.20/x
  3. Step 3: Cross multiply
    1,468.60x = 2,203.02 × 1,102.20
  4. Step 4: Simplify right side
    1,468.60x = 2,428,168.64
  5. Step 5: Solve for x
    x = 2,428,168.64/1,468.60
  6. Step 6: Final answer
    x = 1,653.39

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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.