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Finding the Fourth Proportional to 8,753.32, 12,079.56 and 4,774.33

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Solution

The fourth proportional to 8,753.32, 12,079.56 and 4,774.33 is: 6,588.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,753.32 : 12,079.56 = 4,774.33 : x
  2. Step 2: Convert to fraction form
    8,753.32/12,079.56 = 4,774.33/x
  3. Step 3: Cross multiply
    8,753.32x = 12,079.56 × 4,774.33
  4. Step 4: Simplify right side
    8,753.32x = 57,671,805.69
  5. Step 5: Solve for x
    x = 57,671,805.69/8,753.32
  6. Step 6: Final answer
    x = 6,588.56

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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.