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Finding the Fourth Proportional to 56,605.51, 84,908.40 and 15,052.51

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Solution

The fourth proportional to 56,605.51, 84,908.40 and 15,052.51 is: 22,578.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,605.51 : 84,908.40 = 15,052.51 : x
  2. Step 2: Convert to fraction form
    56,605.51/84,908.40 = 15,052.51/x
  3. Step 3: Cross multiply
    56,605.51x = 84,908.40 × 15,052.51
  4. Step 4: Simplify right side
    56,605.51x = 1,278,084,540.08
  5. Step 5: Solve for x
    x = 1,278,084,540.08/56,605.51
  6. Step 6: Final answer
    x = 22,578.80

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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.