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Finding the Fourth Proportional to 5,650.92, 8,476.38 and 4,921.02

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Solution

The fourth proportional to 5,650.92, 8,476.38 and 4,921.02 is: 7,381.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,650.92 : 8,476.38 = 4,921.02 : x
  2. Step 2: Convert to fraction form
    5,650.92/8,476.38 = 4,921.02/x
  3. Step 3: Cross multiply
    5,650.92x = 8,476.38 × 4,921.02
  4. Step 4: Simplify right side
    5,650.92x = 41,712,435.51
  5. Step 5: Solve for x
    x = 41,712,435.51/5,650.92
  6. Step 6: Final answer
    x = 7,381.53

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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.