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Finding the Fourth Proportional to 64,017.36, 95,995.36 and 30,255.28

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Solution

The fourth proportional to 64,017.36, 95,995.36 and 30,255.28 is: 45,368.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,017.36 : 95,995.36 = 30,255.28 : x
  2. Step 2: Convert to fraction form
    64,017.36/95,995.36 = 30,255.28/x
  3. Step 3: Cross multiply
    64,017.36x = 95,995.36 × 30,255.28
  4. Step 4: Simplify right side
    64,017.36x = 2,904,366,495.50
  5. Step 5: Solve for x
    x = 2,904,366,495.50/64,017.36
  6. Step 6: Final answer
    x = 45,368.42

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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.