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Finding the Fourth Proportional to 56,453.54, 77,905.78 and 32,580.20

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Solution

The fourth proportional to 56,453.54, 77,905.78 and 32,580.20 is: 44,960.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,453.54 : 77,905.78 = 32,580.20 : x
  2. Step 2: Convert to fraction form
    56,453.54/77,905.78 = 32,580.20/x
  3. Step 3: Cross multiply
    56,453.54x = 77,905.78 × 32,580.20
  4. Step 4: Simplify right side
    56,453.54x = 2,538,185,893.56
  5. Step 5: Solve for x
    x = 2,538,185,893.56/56,453.54
  6. Step 6: Final answer
    x = 44,960.62

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1.5x scale

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.