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Finding the Fourth Proportional to 8,980.32, 12,392.73 and 5,001.33

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Solution

The fourth proportional to 8,980.32, 12,392.73 and 5,001.33 is: 6,901.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,980.32 : 12,392.73 = 5,001.33 : x
  2. Step 2: Convert to fraction form
    8,980.32/12,392.73 = 5,001.33/x
  3. Step 3: Cross multiply
    8,980.32x = 12,392.73 × 5,001.33
  4. Step 4: Simplify right side
    8,980.32x = 61,980,132.33
  5. Step 5: Solve for x
    x = 61,980,132.33/8,980.32
  6. Step 6: Final answer
    x = 6,901.77

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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.