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Finding the Fourth Proportional to 8,954.56, 12,357.70 and 4,976.06

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Solution

The fourth proportional to 8,954.56, 12,357.70 and 4,976.06 is: 6,867.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,954.56 : 12,357.70 = 4,976.06 : x
  2. Step 2: Convert to fraction form
    8,954.56/12,357.70 = 4,976.06/x
  3. Step 3: Cross multiply
    8,954.56x = 12,357.70 × 4,976.06
  4. Step 4: Simplify right side
    8,954.56x = 61,492,656.66
  5. Step 5: Solve for x
    x = 61,492,656.66/8,954.56
  6. Step 6: Final answer
    x = 6,867.19

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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.