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Finding the Fourth Proportional to 64,984.70, 97,401.45 and 29,927.90

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Solution

The fourth proportional to 64,984.70, 97,401.45 and 29,927.90 is: 44,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,984.70 : 97,401.45 = 29,927.90 : x
  2. Step 2: Convert to fraction form
    64,984.70/97,401.45 = 29,927.90/x
  3. Step 3: Cross multiply
    64,984.70x = 97,401.45 × 29,927.90
  4. Step 4: Simplify right side
    64,984.70x = 2,915,020,855.46
  5. Step 5: Solve for x
    x = 2,915,020,855.46/64,984.70
  6. Step 6: Final answer
    x = 44,857.03

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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.