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Finding the Fourth Proportional to 64,046.61, 88,312.44 and 41,355.80

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Solution

The fourth proportional to 64,046.61, 88,312.44 and 41,355.80 is: 57,024.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,046.61 : 88,312.44 = 41,355.80 : x
  2. Step 2: Convert to fraction form
    64,046.61/88,312.44 = 41,355.80/x
  3. Step 3: Cross multiply
    64,046.61x = 88,312.44 × 41,355.80
  4. Step 4: Simplify right side
    64,046.61x = 3,652,231,606.15
  5. Step 5: Solve for x
    x = 3,652,231,606.15/64,046.61
  6. Step 6: Final answer
    x = 57,024.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.