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Finding the Fourth Proportional to 56,708.37, 78,274.76 and 32,840.91

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Solution

The fourth proportional to 56,708.37, 78,274.76 and 32,840.91 is: 45,330.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,708.37 : 78,274.76 = 32,840.91 : x
  2. Step 2: Convert to fraction form
    56,708.37/78,274.76 = 32,840.91/x
  3. Step 3: Cross multiply
    56,708.37x = 78,274.76 × 32,840.91
  4. Step 4: Simplify right side
    56,708.37x = 2,570,614,184.23
  5. Step 5: Solve for x
    x = 2,570,614,184.23/56,708.37
  6. Step 6: Final answer
    x = 45,330.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.