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Finding the Fourth Proportional to 56,473.20, 84,612.60 and 36,741.60

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Solution

The fourth proportional to 56,473.20, 84,612.60 and 36,741.60 is: 55,049.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,473.20 : 84,612.60 = 36,741.60 : x
  2. Step 2: Convert to fraction form
    56,473.20/84,612.60 = 36,741.60/x
  3. Step 3: Cross multiply
    56,473.20x = 84,612.60 × 36,741.60
  4. Step 4: Simplify right side
    56,473.20x = 3,108,802,304.16
  5. Step 5: Solve for x
    x = 3,108,802,304.16/56,473.20
  6. Step 6: Final answer
    x = 55,049.16

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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.