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Finding the Fourth Proportional to 48,688, 73,032 and 11,752

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Solution

The fourth proportional to 48,688, 73,032 and 11,752 is: 17,628

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,688 : 73,032 = 11,752 : x
  2. Step 2: Convert to fraction form
    48,688/73,032 = 11,752/x
  3. Step 3: Cross multiply
    48,688x = 73,032 × 11,752
  4. Step 4: Simplify right side
    48,688x = 858,272,064
  5. Step 5: Solve for x
    x = 858,272,064/48,688
  6. Step 6: Final answer
    x = 17,628

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.