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Finding the Fourth Proportional to 64,931.73, 97,400.02 and 18,183.39

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Solution

The fourth proportional to 64,931.73, 97,400.02 and 18,183.39 is: 27,275.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,931.73 : 97,400.02 = 18,183.39 : x
  2. Step 2: Convert to fraction form
    64,931.73/97,400.02 = 18,183.39/x
  3. Step 3: Cross multiply
    64,931.73x = 97,400.02 × 18,183.39
  4. Step 4: Simplify right side
    64,931.73x = 1,771,062,549.67
  5. Step 5: Solve for x
    x = 1,771,062,549.67/64,931.73
  6. Step 6: Final answer
    x = 27,275.76

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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.