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Finding the Fourth Proportional to 8,663.15, 11,955.15 and 4,684.26

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Solution

The fourth proportional to 8,663.15, 11,955.15 and 4,684.26 is: 6,464.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,663.15 : 11,955.15 = 4,684.26 : x
  2. Step 2: Convert to fraction form
    8,663.15/11,955.15 = 4,684.26/x
  3. Step 3: Cross multiply
    8,663.15x = 11,955.15 × 4,684.26
  4. Step 4: Simplify right side
    8,663.15x = 56,001,048.50
  5. Step 5: Solve for x
    x = 56,001,048.50/8,663.15
  6. Step 6: Final answer
    x = 6,464.28

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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.