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Finding the Fourth Proportional to 64,991.70, 97,494.03 and 23,428.98

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Solution

The fourth proportional to 64,991.70, 97,494.03 and 23,428.98 is: 35,145.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991.70 : 97,494.03 = 23,428.98 : x
  2. Step 2: Convert to fraction form
    64,991.70/97,494.03 = 23,428.98/x
  3. Step 3: Cross multiply
    64,991.70x = 97,494.03 × 23,428.98
  4. Step 4: Simplify right side
    64,991.70x = 2,284,185,678.99
  5. Step 5: Solve for x
    x = 2,284,185,678.99/64,991.70
  6. Step 6: Final answer
    x = 35,145.81

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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.