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Finding the Fourth Proportional to 1,101.04, 1,652.10 and 892.60

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Solution

The fourth proportional to 1,101.04, 1,652.10 and 892.60 is: 1,339.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101.04 : 1,652.10 = 892.60 : x
  2. Step 2: Convert to fraction form
    1,101.04/1,652.10 = 892.60/x
  3. Step 3: Cross multiply
    1,101.04x = 1,652.10 × 892.60
  4. Step 4: Simplify right side
    1,101.04x = 1,474,664.46
  5. Step 5: Solve for x
    x = 1,474,664.46/1,101.04
  6. Step 6: Final answer
    x = 1,339.34

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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.