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Finding the Fourth Proportional to 74,984.33, 112,513.15 and 32,858.66

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Solution

The fourth proportional to 74,984.33, 112,513.15 and 32,858.66 is: 49,304.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984.33 : 112,513.15 = 32,858.66 : x
  2. Step 2: Convert to fraction form
    74,984.33/112,513.15 = 32,858.66/x
  3. Step 3: Cross multiply
    74,984.33x = 112,513.15 × 32,858.66
  4. Step 4: Simplify right side
    74,984.33x = 3,697,031,663.74
  5. Step 5: Solve for x
    x = 3,697,031,663.74/74,984.33
  6. Step 6: Final answer
    x = 49,304.06

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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.