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Finding the Fourth Proportional to 64,959.40, 97,366.20 and 27,513.10

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Solution

The fourth proportional to 64,959.40, 97,366.20 and 27,513.10 is: 41,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,959.40 : 97,366.20 = 27,513.10 : x
  2. Step 2: Convert to fraction form
    64,959.40/97,366.20 = 27,513.10/x
  3. Step 3: Cross multiply
    64,959.40x = 97,366.20 × 27,513.10
  4. Step 4: Simplify right side
    64,959.40x = 2,678,845,997.22
  5. Step 5: Solve for x
    x = 2,678,845,997.22/64,959.40
  6. Step 6: Final answer
    x = 41,238.77

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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.