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Finding the Fourth Proportional to 8,590.07, 11,856.63 and 5,054.42

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Solution

The fourth proportional to 8,590.07, 11,856.63 and 5,054.42 is: 6,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,590.07 : 11,856.63 = 5,054.42 : x
  2. Step 2: Convert to fraction form
    8,590.07/11,856.63 = 5,054.42/x
  3. Step 3: Cross multiply
    8,590.07x = 11,856.63 × 5,054.42
  4. Step 4: Simplify right side
    8,590.07x = 59,928,303.25
  5. Step 5: Solve for x
    x = 59,928,303.25/8,590.07
  6. Step 6: Final answer
    x = 6,976.47

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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.