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Finding the Fourth Proportional to 7,353.63, 10,141.13 and 5,672.39

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Solution

The fourth proportional to 7,353.63, 10,141.13 and 5,672.39 is: 7,822.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,353.63 : 10,141.13 = 5,672.39 : x
  2. Step 2: Convert to fraction form
    7,353.63/10,141.13 = 5,672.39/x
  3. Step 3: Cross multiply
    7,353.63x = 10,141.13 × 5,672.39
  4. Step 4: Simplify right side
    7,353.63x = 57,524,407.88
  5. Step 5: Solve for x
    x = 57,524,407.88/7,353.63
  6. Step 6: Final answer
    x = 7,822.59

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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.