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Finding the Fourth Proportional to 64,977.52, 89,669.02 and 35,169.52

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Solution

The fourth proportional to 64,977.52, 89,669.02 and 35,169.52 is: 48,533.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,977.52 : 89,669.02 = 35,169.52 : x
  2. Step 2: Convert to fraction form
    64,977.52/89,669.02 = 35,169.52/x
  3. Step 3: Cross multiply
    64,977.52x = 89,669.02 × 35,169.52
  4. Step 4: Simplify right side
    64,977.52x = 3,153,616,392.27
  5. Step 5: Solve for x
    x = 3,153,616,392.27/64,977.52
  6. Step 6: Final answer
    x = 48,533.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.