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Finding the Fourth Proportional to 64,735.22, 97,108.10 and 17,988.10

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Solution

The fourth proportional to 64,735.22, 97,108.10 and 17,988.10 is: 26,983.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,735.22 : 97,108.10 = 17,988.10 : x
  2. Step 2: Convert to fraction form
    64,735.22/97,108.10 = 17,988.10/x
  3. Step 3: Cross multiply
    64,735.22x = 97,108.10 × 17,988.10
  4. Step 4: Simplify right side
    64,735.22x = 1,746,790,213.61
  5. Step 5: Solve for x
    x = 1,746,790,213.61/64,735.22
  6. Step 6: Final answer
    x = 26,983.61

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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.