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Finding the Fourth Proportional to 43,476.72, 65,225.04 and 15,774.72

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Solution

The fourth proportional to 43,476.72, 65,225.04 and 15,774.72 is: 23,665.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,476.72 : 65,225.04 = 15,774.72 : x
  2. Step 2: Convert to fraction form
    43,476.72/65,225.04 = 15,774.72/x
  3. Step 3: Cross multiply
    43,476.72x = 65,225.04 × 15,774.72
  4. Step 4: Simplify right side
    43,476.72x = 1,028,906,742.99
  5. Step 5: Solve for x
    x = 1,028,906,742.99/43,476.72
  6. Step 6: Final answer
    x = 23,665.69

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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.