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Finding the Fourth Proportional to 58,232, 87,348 and 21,296

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Solution

The fourth proportional to 58,232, 87,348 and 21,296 is: 31,944

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,232 : 87,348 = 21,296 : x
  2. Step 2: Convert to fraction form
    58,232/87,348 = 21,296/x
  3. Step 3: Cross multiply
    58,232x = 87,348 × 21,296
  4. Step 4: Simplify right side
    58,232x = 1,860,163,008
  5. Step 5: Solve for x
    x = 1,860,163,008/58,232
  6. Step 6: Final answer
    x = 31,944

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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.