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Finding the Fourth Proportional to 64,772.64, 97,170.03 and 29,715.30

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Solution

The fourth proportional to 64,772.64, 97,170.03 and 29,715.30 is: 44,578.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,772.64 : 97,170.03 = 29,715.30 : x
  2. Step 2: Convert to fraction form
    64,772.64/97,170.03 = 29,715.30/x
  3. Step 3: Cross multiply
    64,772.64x = 97,170.03 × 29,715.30
  4. Step 4: Simplify right side
    64,772.64x = 2,887,436,592.46
  5. Step 5: Solve for x
    x = 2,887,436,592.46/64,772.64
  6. Step 6: Final answer
    x = 44,578.03

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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.