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Finding the Fourth Proportional to 31,423.40, 43,363.98 and 23,392.96

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Solution

The fourth proportional to 31,423.40, 43,363.98 and 23,392.96 is: 32,282.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.40 : 43,363.98 = 23,392.96 : x
  2. Step 2: Convert to fraction form
    31,423.40/43,363.98 = 23,392.96/x
  3. Step 3: Cross multiply
    31,423.40x = 43,363.98 × 23,392.96
  4. Step 4: Simplify right side
    31,423.40x = 1,014,411,849.58
  5. Step 5: Solve for x
    x = 1,014,411,849.58/31,423.40
  6. Step 6: Final answer
    x = 32,282.05

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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.