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Finding the Fourth Proportional to 40,655.70, 56,102.85 and 22,750.74

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Solution

The fourth proportional to 40,655.70, 56,102.85 and 22,750.74 is: 31,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,655.70 : 56,102.85 = 22,750.74 : x
  2. Step 2: Convert to fraction form
    40,655.70/56,102.85 = 22,750.74/x
  3. Step 3: Cross multiply
    40,655.70x = 56,102.85 × 22,750.74
  4. Step 4: Simplify right side
    40,655.70x = 1,276,381,353.61
  5. Step 5: Solve for x
    x = 1,276,381,353.61/40,655.70
  6. Step 6: Final answer
    x = 31,394.89

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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.