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Finding the Fourth Proportional to 8,788.32, 12,127.41 and 5,010.93

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Solution

The fourth proportional to 8,788.32, 12,127.41 and 5,010.93 is: 6,914.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.32 : 12,127.41 = 5,010.93 : x
  2. Step 2: Convert to fraction form
    8,788.32/12,127.41 = 5,010.93/x
  3. Step 3: Cross multiply
    8,788.32x = 12,127.41 × 5,010.93
  4. Step 4: Simplify right side
    8,788.32x = 60,769,602.59
  5. Step 5: Solve for x
    x = 60,769,602.59/8,788.32
  6. Step 6: Final answer
    x = 6,914.81

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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.