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Finding the Fourth Proportional to 64,313.71, 96,503.47 and 30,617.81

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Solution

The fourth proportional to 64,313.71, 96,503.47 and 30,617.81 is: 45,942.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,313.71 : 96,503.47 = 30,617.81 : x
  2. Step 2: Convert to fraction form
    64,313.71/96,503.47 = 30,617.81/x
  3. Step 3: Cross multiply
    64,313.71x = 96,503.47 × 30,617.81
  4. Step 4: Simplify right side
    64,313.71x = 2,954,724,711.63
  5. Step 5: Solve for x
    x = 2,954,724,711.63/64,313.71
  6. Step 6: Final answer
    x = 45,942.38

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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.