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Finding the Fourth Proportional to 61,359.82, 84,674.64 and 34,503.46

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Solution

The fourth proportional to 61,359.82, 84,674.64 and 34,503.46 is: 47,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,359.82 : 84,674.64 = 34,503.46 : x
  2. Step 2: Convert to fraction form
    61,359.82/84,674.64 = 34,503.46/x
  3. Step 3: Cross multiply
    61,359.82x = 84,674.64 × 34,503.46
  4. Step 4: Simplify right side
    61,359.82x = 2,921,568,054.25
  5. Step 5: Solve for x
    x = 2,921,568,054.25/61,359.82
  6. Step 6: Final answer
    x = 47,613.70

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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.