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Finding the Fourth Proportional to 8,758.28, 12,085.94 and 4,980.93

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Solution

The fourth proportional to 8,758.28, 12,085.94 and 4,980.93 is: 6,873.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,758.28 : 12,085.94 = 4,980.93 : x
  2. Step 2: Convert to fraction form
    8,758.28/12,085.94 = 4,980.93/x
  3. Step 3: Cross multiply
    8,758.28x = 12,085.94 × 4,980.93
  4. Step 4: Simplify right side
    8,758.28x = 60,199,196.22
  5. Step 5: Solve for x
    x = 60,199,196.22/8,758.28
  6. Step 6: Final answer
    x = 6,873.41

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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.