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Finding the Fourth Proportional to 64,725, 97,093.62 and 22,612.68

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Solution

The fourth proportional to 64,725, 97,093.62 and 22,612.68 is: 33,921.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,725 : 97,093.62 = 22,612.68 : x
  2. Step 2: Convert to fraction form
    64,725/97,093.62 = 22,612.68/x
  3. Step 3: Cross multiply
    64,725x = 97,093.62 × 22,612.68
  4. Step 4: Simplify right side
    64,725x = 2,195,546,959.10
  5. Step 5: Solve for x
    x = 2,195,546,959.10/64,725
  6. Step 6: Final answer
    x = 33,921.16

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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.