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Finding the Fourth Proportional to 56,290.97, 84,437.48 and 18,844.07

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Solution

The fourth proportional to 56,290.97, 84,437.48 and 18,844.07 is: 28,266.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,290.97 : 84,437.48 = 18,844.07 : x
  2. Step 2: Convert to fraction form
    56,290.97/84,437.48 = 18,844.07/x
  3. Step 3: Cross multiply
    56,290.97x = 84,437.48 × 18,844.07
  4. Step 4: Simplify right side
    56,290.97x = 1,591,145,408.67
  5. Step 5: Solve for x
    x = 1,591,145,408.67/56,290.97
  6. Step 6: Final answer
    x = 28,266.44

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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.