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Finding the Fourth Proportional to 61,359.42, 84,673.80 and 34,503.48

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Solution

The fourth proportional to 61,359.42, 84,673.80 and 34,503.48 is: 47,613.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.42 : 84,673.80 = 34,503.48 : x
  2. Step 2: Convert to fraction form
    61,359.42/84,673.80 = 34,503.48/x
  3. Step 3: Cross multiply
    61,359.42x = 84,673.80 × 34,503.48
  4. Step 4: Simplify right side
    61,359.42x = 2,921,540,764.82
  5. Step 5: Solve for x
    x = 2,921,540,764.82/61,359.42
  6. Step 6: Final answer
    x = 47,613.57

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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.