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Finding the Fourth Proportional to 61,393.39, 84,733.29 and 45,344.07

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Solution

The fourth proportional to 61,393.39, 84,733.29 and 45,344.07 is: 62,582.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,393.39 : 84,733.29 = 45,344.07 : x
  2. Step 2: Convert to fraction form
    61,393.39/84,733.29 = 45,344.07/x
  3. Step 3: Cross multiply
    61,393.39x = 84,733.29 × 45,344.07
  4. Step 4: Simplify right side
    61,393.39x = 3,842,152,233.09
  5. Step 5: Solve for x
    x = 3,842,152,233.09/61,393.39
  6. Step 6: Final answer
    x = 62,582.51

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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.