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Finding the Fourth Proportional to 56,736.40, 85,104.60 and 37,053.40

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Solution

The fourth proportional to 56,736.40, 85,104.60 and 37,053.40 is: 55,580.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,736.40 : 85,104.60 = 37,053.40 : x
  2. Step 2: Convert to fraction form
    56,736.40/85,104.60 = 37,053.40/x
  3. Step 3: Cross multiply
    56,736.40x = 85,104.60 × 37,053.40
  4. Step 4: Simplify right side
    56,736.40x = 3,153,414,785.64
  5. Step 5: Solve for x
    x = 3,153,414,785.64/56,736.40
  6. Step 6: Final answer
    x = 55,580.10

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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.