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Finding the Fourth Proportional to 26,752, 40,128 and 7,296

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Solution

The fourth proportional to 26,752, 40,128 and 7,296 is: 10,944

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752 : 40,128 = 7,296 : x
  2. Step 2: Convert to fraction form
    26,752/40,128 = 7,296/x
  3. Step 3: Cross multiply
    26,752x = 40,128 × 7,296
  4. Step 4: Simplify right side
    26,752x = 292,773,888
  5. Step 5: Solve for x
    x = 292,773,888/26,752
  6. Step 6: Final answer
    x = 10,944

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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.