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Finding the Fourth Proportional to 56,652.58, 85,001.91 and 36,412

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Solution

The fourth proportional to 56,652.58, 85,001.91 and 36,412 is: 54,632.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,652.58 : 85,001.91 = 36,412 : x
  2. Step 2: Convert to fraction form
    56,652.58/85,001.91 = 36,412/x
  3. Step 3: Cross multiply
    56,652.58x = 85,001.91 × 36,412
  4. Step 4: Simplify right side
    56,652.58x = 3,095,089,546.92
  5. Step 5: Solve for x
    x = 3,095,089,546.92/56,652.58
  6. Step 6: Final answer
    x = 54,632.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.