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Finding the Fourth Proportional to 19,364, 29,046 and 4,772

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Solution

The fourth proportional to 19,364, 29,046 and 4,772 is: 7,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,364 : 29,046 = 4,772 : x
  2. Step 2: Convert to fraction form
    19,364/29,046 = 4,772/x
  3. Step 3: Cross multiply
    19,364x = 29,046 × 4,772
  4. Step 4: Simplify right side
    19,364x = 138,607,512
  5. Step 5: Solve for x
    x = 138,607,512/19,364
  6. Step 6: Final answer
    x = 7,158

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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.