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Finding the Fourth Proportional to 7,610.82, 10,502.90 and 4,253.63

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Solution

The fourth proportional to 7,610.82, 10,502.90 and 4,253.63 is: 5,869.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,610.82 : 10,502.90 = 4,253.63 : x
  2. Step 2: Convert to fraction form
    7,610.82/10,502.90 = 4,253.63/x
  3. Step 3: Cross multiply
    7,610.82x = 10,502.90 × 4,253.63
  4. Step 4: Simplify right side
    7,610.82x = 44,675,398.01
  5. Step 5: Solve for x
    x = 44,675,398.01/7,610.82
  6. Step 6: Final answer
    x = 5,869.99

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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.