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Finding the Fourth Proportional to 63,525.78, 87,665.63 and 35,231.67

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Solution

The fourth proportional to 63,525.78, 87,665.63 and 35,231.67 is: 48,619.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,525.78 : 87,665.63 = 35,231.67 : x
  2. Step 2: Convert to fraction form
    63,525.78/87,665.63 = 35,231.67/x
  3. Step 3: Cross multiply
    63,525.78x = 87,665.63 × 35,231.67
  4. Step 4: Simplify right side
    63,525.78x = 3,088,606,370.34
  5. Step 5: Solve for x
    x = 3,088,606,370.34/63,525.78
  6. Step 6: Final answer
    x = 48,619.73

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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.