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Finding the Fourth Proportional to 8,602.74, 11,871.63 and 4,825.91

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Solution

The fourth proportional to 8,602.74, 11,871.63 and 4,825.91 is: 6,659.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,602.74 : 11,871.63 = 4,825.91 : x
  2. Step 2: Convert to fraction form
    8,602.74/11,871.63 = 4,825.91/x
  3. Step 3: Cross multiply
    8,602.74x = 11,871.63 × 4,825.91
  4. Step 4: Simplify right side
    8,602.74x = 57,291,447.61
  5. Step 5: Solve for x
    x = 57,291,447.61/8,602.74
  6. Step 6: Final answer
    x = 6,659.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.