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Finding the Fourth Proportional to 1,093.19, 1,507.97 and 651.23

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Solution

The fourth proportional to 1,093.19, 1,507.97 and 651.23 is: 898.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,093.19 : 1,507.97 = 651.23 : x
  2. Step 2: Convert to fraction form
    1,093.19/1,507.97 = 651.23/x
  3. Step 3: Cross multiply
    1,093.19x = 1,507.97 × 651.23
  4. Step 4: Simplify right side
    1,093.19x = 982,035.30
  5. Step 5: Solve for x
    x = 982,035.30/1,093.19
  6. Step 6: Final answer
    x = 898.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.