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Finding the Fourth Proportional to 1,024.54, 1,537.46 and 695.68

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Solution

The fourth proportional to 1,024.54, 1,537.46 and 695.68 is: 1,043.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,024.54 : 1,537.46 = 695.68 : x
  2. Step 2: Convert to fraction form
    1,024.54/1,537.46 = 695.68/x
  3. Step 3: Cross multiply
    1,024.54x = 1,537.46 × 695.68
  4. Step 4: Simplify right side
    1,024.54x = 1,069,580.17
  5. Step 5: Solve for x
    x = 1,069,580.17/1,024.54
  6. Step 6: Final answer
    x = 1,043.96

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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.