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Finding the Fourth Proportional to 1,102.93, 1,652.11 and 883.92

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Solution

The fourth proportional to 1,102.93, 1,652.11 and 883.92 is: 1,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102.93 : 1,652.11 = 883.92 : x
  2. Step 2: Convert to fraction form
    1,102.93/1,652.11 = 883.92/x
  3. Step 3: Cross multiply
    1,102.93x = 1,652.11 × 883.92
  4. Step 4: Simplify right side
    1,102.93x = 1,460,330.86
  5. Step 5: Solve for x
    x = 1,460,330.86/1,102.93
  6. Step 6: Final answer
    x = 1,324.05

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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.