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Finding the Fourth Proportional to 7,586.03, 11,384.16 and 2,655.71

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Solution

The fourth proportional to 7,586.03, 11,384.16 and 2,655.71 is: 3,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,586.03 : 11,384.16 = 2,655.71 : x
  2. Step 2: Convert to fraction form
    7,586.03/11,384.16 = 2,655.71/x
  3. Step 3: Cross multiply
    7,586.03x = 11,384.16 × 2,655.71
  4. Step 4: Simplify right side
    7,586.03x = 30,233,027.55
  5. Step 5: Solve for x
    x = 30,233,027.55/7,586.03
  6. Step 6: Final answer
    x = 3,985.36

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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.