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Finding the Fourth Proportional to 64,401.88, 96,603.20 and 29,317

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Solution

The fourth proportional to 64,401.88, 96,603.20 and 29,317 is: 43,975.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,401.88 : 96,603.20 = 29,317 : x
  2. Step 2: Convert to fraction form
    64,401.88/96,603.20 = 29,317/x
  3. Step 3: Cross multiply
    64,401.88x = 96,603.20 × 29,317
  4. Step 4: Simplify right side
    64,401.88x = 2,832,116,014.40
  5. Step 5: Solve for x
    x = 2,832,116,014.40/64,401.88
  6. Step 6: Final answer
    x = 43,975.67

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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.