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Finding the Fourth Proportional to 9,361.79, 14,045.12 and 4,681.61

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Solution

The fourth proportional to 9,361.79, 14,045.12 and 4,681.61 is: 7,023.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.79 : 14,045.12 = 4,681.61 : x
  2. Step 2: Convert to fraction form
    9,361.79/14,045.12 = 4,681.61/x
  3. Step 3: Cross multiply
    9,361.79x = 14,045.12 × 4,681.61
  4. Step 4: Simplify right side
    9,361.79x = 65,753,750.83
  5. Step 5: Solve for x
    x = 65,753,750.83/9,361.79
  6. Step 6: Final answer
    x = 7,023.63

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Why These Related Problems?

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