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Finding the Fourth Proportional to 3,061.15, 4,223.01 and 1,881.79

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Solution

The fourth proportional to 3,061.15, 4,223.01 and 1,881.79 is: 2,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,061.15 : 4,223.01 = 1,881.79 : x
  2. Step 2: Convert to fraction form
    3,061.15/4,223.01 = 1,881.79/x
  3. Step 3: Cross multiply
    3,061.15x = 4,223.01 × 1,881.79
  4. Step 4: Simplify right side
    3,061.15x = 7,946,817.99
  5. Step 5: Solve for x
    x = 7,946,817.99/3,061.15
  6. Step 6: Final answer
    x = 2,596.02

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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.