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Finding the Fourth Proportional to 56,589.78, 84,903.06 and 27,003.80

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Solution

The fourth proportional to 56,589.78, 84,903.06 and 27,003.80 is: 40,514.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,589.78 : 84,903.06 = 27,003.80 : x
  2. Step 2: Convert to fraction form
    56,589.78/84,903.06 = 27,003.80/x
  3. Step 3: Cross multiply
    56,589.78x = 84,903.06 × 27,003.80
  4. Step 4: Simplify right side
    56,589.78x = 2,292,705,251.63
  5. Step 5: Solve for x
    x = 2,292,705,251.63/56,589.78
  6. Step 6: Final answer
    x = 40,514.48

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1.5x scale

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.