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Finding the Fourth Proportional to 1,792.48, 2,688.52 and 622.27

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Solution

The fourth proportional to 1,792.48, 2,688.52 and 622.27 is: 933.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792.48 : 2,688.52 = 622.27 : x
  2. Step 2: Convert to fraction form
    1,792.48/2,688.52 = 622.27/x
  3. Step 3: Cross multiply
    1,792.48x = 2,688.52 × 622.27
  4. Step 4: Simplify right side
    1,792.48x = 1,672,985.34
  5. Step 5: Solve for x
    x = 1,672,985.34/1,792.48
  6. Step 6: Final answer
    x = 933.34

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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.