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Finding the Fourth Proportional to 61,536.69, 84,920.67 and 33,242.40

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Solution

The fourth proportional to 61,536.69, 84,920.67 and 33,242.40 is: 45,874.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,536.69 : 84,920.67 = 33,242.40 : x
  2. Step 2: Convert to fraction form
    61,536.69/84,920.67 = 33,242.40/x
  3. Step 3: Cross multiply
    61,536.69x = 84,920.67 × 33,242.40
  4. Step 4: Simplify right side
    61,536.69x = 2,822,966,880.41
  5. Step 5: Solve for x
    x = 2,822,966,880.41/61,536.69
  6. Step 6: Final answer
    x = 45,874.53

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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.