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Finding the Fourth Proportional to 56,996.39, 85,494.59 and 15,443.39

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Solution

The fourth proportional to 56,996.39, 85,494.59 and 15,443.39 is: 23,165.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.39 : 85,494.59 = 15,443.39 : x
  2. Step 2: Convert to fraction form
    56,996.39/85,494.59 = 15,443.39/x
  3. Step 3: Cross multiply
    56,996.39x = 85,494.59 × 15,443.39
  4. Step 4: Simplify right side
    56,996.39x = 1,320,326,296.26
  5. Step 5: Solve for x
    x = 1,320,326,296.26/56,996.39
  6. Step 6: Final answer
    x = 23,165.09

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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.