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Finding the Fourth Proportional to 37,751.64, 56,634.60 and 12,452.60

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Solution

The fourth proportional to 37,751.64, 56,634.60 and 12,452.60 is: 18,681.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,751.64 : 56,634.60 = 12,452.60 : x
  2. Step 2: Convert to fraction form
    37,751.64/56,634.60 = 12,452.60/x
  3. Step 3: Cross multiply
    37,751.64x = 56,634.60 × 12,452.60
  4. Step 4: Simplify right side
    37,751.64x = 705,248,019.96
  5. Step 5: Solve for x
    x = 705,248,019.96/37,751.64
  6. Step 6: Final answer
    x = 18,681.26

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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.