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Finding the Fourth Proportional to 14,442.12, 21,624.05 and 7,502.04

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Solution

The fourth proportional to 14,442.12, 21,624.05 and 7,502.04 is: 11,232.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,442.12 : 21,624.05 = 7,502.04 : x
  2. Step 2: Convert to fraction form
    14,442.12/21,624.05 = 7,502.04/x
  3. Step 3: Cross multiply
    14,442.12x = 21,624.05 × 7,502.04
  4. Step 4: Simplify right side
    14,442.12x = 162,224,450.55
  5. Step 5: Solve for x
    x = 162,224,450.55/14,442.12
  6. Step 6: Final answer
    x = 11,232.73

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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.