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Finding the Fourth Proportional to 7,543.60, 11,300.76 and 3,738.82

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Solution

The fourth proportional to 7,543.60, 11,300.76 and 3,738.82 is: 5,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.60 : 11,300.76 = 3,738.82 : x
  2. Step 2: Convert to fraction form
    7,543.60/11,300.76 = 3,738.82/x
  3. Step 3: Cross multiply
    7,543.60x = 11,300.76 × 3,738.82
  4. Step 4: Simplify right side
    7,543.60x = 42,251,507.50
  5. Step 5: Solve for x
    x = 42,251,507.50/7,543.60
  6. Step 6: Final answer
    x = 5,600.97

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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.