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Finding the Fourth Proportional to 64,463.61, 96,671.79 and 22,332.81

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Solution

The fourth proportional to 64,463.61, 96,671.79 and 22,332.81 is: 33,491.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,463.61 : 96,671.79 = 22,332.81 : x
  2. Step 2: Convert to fraction form
    64,463.61/96,671.79 = 22,332.81/x
  3. Step 3: Cross multiply
    64,463.61x = 96,671.79 × 22,332.81
  4. Step 4: Simplify right side
    64,463.61x = 2,158,952,718.43
  5. Step 5: Solve for x
    x = 2,158,952,718.43/64,463.61
  6. Step 6: Final answer
    x = 33,491.03

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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.