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Finding the Fourth Proportional to 75,992.74, 104,866.71 and 41,999.47

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Solution

The fourth proportional to 75,992.74, 104,866.71 and 41,999.47 is: 57,957.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,992.74 : 104,866.71 = 41,999.47 : x
  2. Step 2: Convert to fraction form
    75,992.74/104,866.71 = 41,999.47/x
  3. Step 3: Cross multiply
    75,992.74x = 104,866.71 × 41,999.47
  4. Step 4: Simplify right side
    75,992.74x = 4,404,346,240.64
  5. Step 5: Solve for x
    x = 4,404,346,240.64/75,992.74
  6. Step 6: Final answer
    x = 57,957.46

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1.5x scale

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.