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Finding the Fourth Proportional to 62,756.82, 86,531.24 and 46,813.59

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Solution

The fourth proportional to 62,756.82, 86,531.24 and 46,813.59 is: 64,548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,756.82 : 86,531.24 = 46,813.59 : x
  2. Step 2: Convert to fraction form
    62,756.82/86,531.24 = 46,813.59/x
  3. Step 3: Cross multiply
    62,756.82x = 86,531.24 × 46,813.59
  4. Step 4: Simplify right side
    62,756.82x = 4,050,837,324.83
  5. Step 5: Solve for x
    x = 4,050,837,324.83/62,756.82
  6. Step 6: Final answer
    x = 64,548.17

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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.