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Finding the Fourth Proportional to 64,866.92, 89,516.31 and 35,058.92

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Solution

The fourth proportional to 64,866.92, 89,516.31 and 35,058.92 is: 48,381.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,866.92 : 89,516.31 = 35,058.92 : x
  2. Step 2: Convert to fraction form
    64,866.92/89,516.31 = 35,058.92/x
  3. Step 3: Cross multiply
    64,866.92x = 89,516.31 × 35,058.92
  4. Step 4: Simplify right side
    64,866.92x = 3,138,345,150.99
  5. Step 5: Solve for x
    x = 3,138,345,150.99/64,866.92
  6. Step 6: Final answer
    x = 48,381.29

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1.5x scale

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.