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Finding the Fourth Proportional to 6,361.04, 8,777.76 and 3,566

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Solution

The fourth proportional to 6,361.04, 8,777.76 and 3,566 is: 4,920.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,361.04 : 8,777.76 = 3,566 : x
  2. Step 2: Convert to fraction form
    6,361.04/8,777.76 = 3,566/x
  3. Step 3: Cross multiply
    6,361.04x = 8,777.76 × 3,566
  4. Step 4: Simplify right side
    6,361.04x = 31,301,492.16
  5. Step 5: Solve for x
    x = 31,301,492.16/6,361.04
  6. Step 6: Final answer
    x = 4,920.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.