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Finding the Fourth Proportional to 64,482.72, 96,761.67 and 27,039.91

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Solution

The fourth proportional to 64,482.72, 96,761.67 and 27,039.91 is: 40,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,482.72 : 96,761.67 = 27,039.91 : x
  2. Step 2: Convert to fraction form
    64,482.72/96,761.67 = 27,039.91/x
  3. Step 3: Cross multiply
    64,482.72x = 96,761.67 × 27,039.91
  4. Step 4: Simplify right side
    64,482.72x = 2,616,426,848.25
  5. Step 5: Solve for x
    x = 2,616,426,848.25/64,482.72
  6. Step 6: Final answer
    x = 40,575.63

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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.