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Finding the Fourth Proportional to 15,924, 23,886 and 4,980

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Solution

The fourth proportional to 15,924, 23,886 and 4,980 is: 7,470

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924 : 23,886 = 4,980 : x
  2. Step 2: Convert to fraction form
    15,924/23,886 = 4,980/x
  3. Step 3: Cross multiply
    15,924x = 23,886 × 4,980
  4. Step 4: Simplify right side
    15,924x = 118,952,280
  5. Step 5: Solve for x
    x = 118,952,280/15,924
  6. Step 6: Final answer
    x = 7,470

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Why These Related Problems?

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