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Finding the Fourth Proportional to 48,252, 66,607.30 and 31,270.82

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Solution

The fourth proportional to 48,252, 66,607.30 and 31,270.82 is: 43,166.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,252 : 66,607.30 = 31,270.82 : x
  2. Step 2: Convert to fraction form
    48,252/66,607.30 = 31,270.82/x
  3. Step 3: Cross multiply
    48,252x = 66,607.30 × 31,270.82
  4. Step 4: Simplify right side
    48,252x = 2,082,864,888.99
  5. Step 5: Solve for x
    x = 2,082,864,888.99/48,252
  6. Step 6: Final answer
    x = 43,166.39

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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.