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Finding the Fourth Proportional to 8,447.51, 11,656.95 and 4,862.27

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Solution

The fourth proportional to 8,447.51, 11,656.95 and 4,862.27 is: 6,709.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,447.51 : 11,656.95 = 4,862.27 : x
  2. Step 2: Convert to fraction form
    8,447.51/11,656.95 = 4,862.27/x
  3. Step 3: Cross multiply
    8,447.51x = 11,656.95 × 4,862.27
  4. Step 4: Simplify right side
    8,447.51x = 56,679,238.28
  5. Step 5: Solve for x
    x = 56,679,238.28/8,447.51
  6. Step 6: Final answer
    x = 6,709.58

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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.