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Finding the Fourth Proportional to 5,335.71, 7,363.72 and 2,945.90

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Solution

The fourth proportional to 5,335.71, 7,363.72 and 2,945.90 is: 4,065.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.71 : 7,363.72 = 2,945.90 : x
  2. Step 2: Convert to fraction form
    5,335.71/7,363.72 = 2,945.90/x
  3. Step 3: Cross multiply
    5,335.71x = 7,363.72 × 2,945.90
  4. Step 4: Simplify right side
    5,335.71x = 21,692,774.81
  5. Step 5: Solve for x
    x = 21,692,774.81/5,335.71
  6. Step 6: Final answer
    x = 4,065.58

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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.