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Finding the Fourth Proportional to 64,879.74, 89,533.89 and 36,585.23

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Solution

The fourth proportional to 64,879.74, 89,533.89 and 36,585.23 is: 50,487.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,879.74 : 89,533.89 = 36,585.23 : x
  2. Step 2: Convert to fraction form
    64,879.74/89,533.89 = 36,585.23/x
  3. Step 3: Cross multiply
    64,879.74x = 89,533.89 × 36,585.23
  4. Step 4: Simplify right side
    64,879.74x = 3,275,617,510.78
  5. Step 5: Solve for x
    x = 3,275,617,510.78/64,879.74
  6. Step 6: Final answer
    x = 50,487.53

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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.