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Finding the Fourth Proportional to 56,352.87, 77,761.58 and 33,687.36

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Solution

The fourth proportional to 56,352.87, 77,761.58 and 33,687.36 is: 46,485.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,352.87 : 77,761.58 = 33,687.36 : x
  2. Step 2: Convert to fraction form
    56,352.87/77,761.58 = 33,687.36/x
  3. Step 3: Cross multiply
    56,352.87x = 77,761.58 × 33,687.36
  4. Step 4: Simplify right side
    56,352.87x = 2,619,582,171.19
  5. Step 5: Solve for x
    x = 2,619,582,171.19/56,352.87
  6. Step 6: Final answer
    x = 46,485.34

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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.