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Finding the Fourth Proportional to 48,327.94, 66,721.71 and 31,590.10

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Solution

The fourth proportional to 48,327.94, 66,721.71 and 31,590.10 is: 43,613.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,327.94 : 66,721.71 = 31,590.10 : x
  2. Step 2: Convert to fraction form
    48,327.94/66,721.71 = 31,590.10/x
  3. Step 3: Cross multiply
    48,327.94x = 66,721.71 × 31,590.10
  4. Step 4: Simplify right side
    48,327.94x = 2,107,745,491.07
  5. Step 5: Solve for x
    x = 2,107,745,491.07/48,327.94
  6. Step 6: Final answer
    x = 43,613.39

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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.