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Finding the Fourth Proportional to 63,524.32, 87,623.52 and 40,892.88

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Solution

The fourth proportional to 63,524.32, 87,623.52 and 40,892.88 is: 56,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,524.32 : 87,623.52 = 40,892.88 : x
  2. Step 2: Convert to fraction form
    63,524.32/87,623.52 = 40,892.88/x
  3. Step 3: Cross multiply
    63,524.32x = 87,623.52 × 40,892.88
  4. Step 4: Simplify right side
    63,524.32x = 3,583,178,088.54
  5. Step 5: Solve for x
    x = 3,583,178,088.54/63,524.32
  6. Step 6: Final answer
    x = 56,406.40

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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.