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Finding the Fourth Proportional to 12,350.16, 18,528.71 and 4,959.81

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Solution

The fourth proportional to 12,350.16, 18,528.71 and 4,959.81 is: 7,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,350.16 : 18,528.71 = 4,959.81 : x
  2. Step 2: Convert to fraction form
    12,350.16/18,528.71 = 4,959.81/x
  3. Step 3: Cross multiply
    12,350.16x = 18,528.71 × 4,959.81
  4. Step 4: Simplify right side
    12,350.16x = 91,898,881.15
  5. Step 5: Solve for x
    x = 91,898,881.15/12,350.16
  6. Step 6: Final answer
    x = 7,441.11

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.