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Finding the Fourth Proportional to 63,525.32, 87,624.90 and 40,893.88

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Solution

The fourth proportional to 63,525.32, 87,624.90 and 40,893.88 is: 56,407.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,525.32 : 87,624.90 = 40,893.88 : x
  2. Step 2: Convert to fraction form
    63,525.32/87,624.90 = 40,893.88/x
  3. Step 3: Cross multiply
    63,525.32x = 87,624.90 × 40,893.88
  4. Step 4: Simplify right side
    63,525.32x = 3,583,322,145.61
  5. Step 5: Solve for x
    x = 3,583,322,145.61/63,525.32
  6. Step 6: Final answer
    x = 56,407.78

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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.