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Finding the Fourth Proportional to 11,363.00, 15,667.52 and 7,779.69

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Solution

The fourth proportional to 11,363.00, 15,667.52 and 7,779.69 is: 10,726.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,363.00 : 15,667.52 = 7,779.69 : x
  2. Step 2: Convert to fraction form
    11,363.00/15,667.52 = 7,779.69/x
  3. Step 3: Cross multiply
    11,363.00x = 15,667.52 × 7,779.69
  4. Step 4: Simplify right side
    11,363.00x = 121,888,409.77
  5. Step 5: Solve for x
    x = 121,888,409.77/11,363.00
  6. Step 6: Final answer
    x = 10,726.79

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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.