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Finding the Fourth Proportional to 64,705.44, 97,062.72 and 17,320.44

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Solution

The fourth proportional to 64,705.44, 97,062.72 and 17,320.44 is: 25,981.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,705.44 : 97,062.72 = 17,320.44 : x
  2. Step 2: Convert to fraction form
    64,705.44/97,062.72 = 17,320.44/x
  3. Step 3: Cross multiply
    64,705.44x = 97,062.72 × 17,320.44
  4. Step 4: Simplify right side
    64,705.44x = 1,681,169,018.00
  5. Step 5: Solve for x
    x = 1,681,169,018.00/64,705.44
  6. Step 6: Final answer
    x = 25,981.88

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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.