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Finding the Fourth Proportional to 2,360.47, 3,541.23 and 694.64

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Solution

The fourth proportional to 2,360.47, 3,541.23 and 694.64 is: 1,042.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,360.47 : 3,541.23 = 694.64 : x
  2. Step 2: Convert to fraction form
    2,360.47/3,541.23 = 694.64/x
  3. Step 3: Cross multiply
    2,360.47x = 3,541.23 × 694.64
  4. Step 4: Simplify right side
    2,360.47x = 2,459,862.30
  5. Step 5: Solve for x
    x = 2,459,862.30/2,360.47
  6. Step 6: Final answer
    x = 1,042.11

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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.