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Finding the Fourth Proportional to 72,588, 108,882 and 23,340

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Solution

The fourth proportional to 72,588, 108,882 and 23,340 is: 35,010

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,588 : 108,882 = 23,340 : x
  2. Step 2: Convert to fraction form
    72,588/108,882 = 23,340/x
  3. Step 3: Cross multiply
    72,588x = 108,882 × 23,340
  4. Step 4: Simplify right side
    72,588x = 2,541,305,880
  5. Step 5: Solve for x
    x = 2,541,305,880/72,588
  6. Step 6: Final answer
    x = 35,010

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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.