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Finding the Fourth Proportional to 64,738.65, 89,337.96 and 36,058.22

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Solution

The fourth proportional to 64,738.65, 89,337.96 and 36,058.22 is: 49,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,738.65 : 89,337.96 = 36,058.22 : x
  2. Step 2: Convert to fraction form
    64,738.65/89,337.96 = 36,058.22/x
  3. Step 3: Cross multiply
    64,738.65x = 89,337.96 × 36,058.22
  4. Step 4: Simplify right side
    64,738.65x = 3,221,367,816.03
  5. Step 5: Solve for x
    x = 3,221,367,816.03/64,738.65
  6. Step 6: Final answer
    x = 49,759.58

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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.