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Finding the Fourth Proportional to 64,632.57, 89,163.79 and 37,763.00

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Solution

The fourth proportional to 64,632.57, 89,163.79 and 37,763.00 is: 52,095.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,632.57 : 89,163.79 = 37,763.00 : x
  2. Step 2: Convert to fraction form
    64,632.57/89,163.79 = 37,763.00/x
  3. Step 3: Cross multiply
    64,632.57x = 89,163.79 × 37,763.00
  4. Step 4: Simplify right side
    64,632.57x = 3,367,091,873.96
  5. Step 5: Solve for x
    x = 3,367,091,873.96/64,632.57
  6. Step 6: Final answer
    x = 52,095.90

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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.