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Finding the Fourth Proportional to 9,361.58, 14,061.80 and 7,427.30

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Solution

The fourth proportional to 9,361.58, 14,061.80 and 7,427.30 is: 11,156.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,361.58 : 14,061.80 = 7,427.30 : x
  2. Step 2: Convert to fraction form
    9,361.58/14,061.80 = 7,427.30/x
  3. Step 3: Cross multiply
    9,361.58x = 14,061.80 × 7,427.30
  4. Step 4: Simplify right side
    9,361.58x = 104,441,155.40
  5. Step 5: Solve for x
    x = 104,441,155.40/9,361.58
  6. Step 6: Final answer
    x = 11,156.37

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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.