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Finding the Fourth Proportional to 6,262.60, 8,638.56 and 4,916.19

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Solution

The fourth proportional to 6,262.60, 8,638.56 and 4,916.19 is: 6,781.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,262.60 : 8,638.56 = 4,916.19 : x
  2. Step 2: Convert to fraction form
    6,262.60/8,638.56 = 4,916.19/x
  3. Step 3: Cross multiply
    6,262.60x = 8,638.56 × 4,916.19
  4. Step 4: Simplify right side
    6,262.60x = 42,468,802.29
  5. Step 5: Solve for x
    x = 42,468,802.29/6,262.60
  6. Step 6: Final answer
    x = 6,781.34

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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.