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Finding the Fourth Proportional to 11,293.58, 15,592.92 and 8,636.36

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Solution

The fourth proportional to 11,293.58, 15,592.92 and 8,636.36 is: 11,924.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,293.58 : 15,592.92 = 8,636.36 : x
  2. Step 2: Convert to fraction form
    11,293.58/15,592.92 = 8,636.36/x
  3. Step 3: Cross multiply
    11,293.58x = 15,592.92 × 8,636.36
  4. Step 4: Simplify right side
    11,293.58x = 134,666,070.57
  5. Step 5: Solve for x
    x = 134,666,070.57/11,293.58
  6. Step 6: Final answer
    x = 11,924.13

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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.