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Finding the Fourth Proportional to 5,363.62, 7,385.51 and 4,757.40

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Solution

The fourth proportional to 5,363.62, 7,385.51 and 4,757.40 is: 6,550.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.62 : 7,385.51 = 4,757.40 : x
  2. Step 2: Convert to fraction form
    5,363.62/7,385.51 = 4,757.40/x
  3. Step 3: Cross multiply
    5,363.62x = 7,385.51 × 4,757.40
  4. Step 4: Simplify right side
    5,363.62x = 35,135,837.17
  5. Step 5: Solve for x
    x = 35,135,837.17/5,363.62
  6. Step 6: Final answer
    x = 6,550.77

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1.5x scale

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.