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Finding the Fourth Proportional to 56,996.99, 85,495.47 and 15,443.99

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Solution

The fourth proportional to 56,996.99, 85,495.47 and 15,443.99 is: 23,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,996.99 : 85,495.47 = 15,443.99 : x
  2. Step 2: Convert to fraction form
    56,996.99/85,495.47 = 15,443.99/x
  3. Step 3: Cross multiply
    56,996.99x = 85,495.47 × 15,443.99
  4. Step 4: Simplify right side
    56,996.99x = 1,320,391,183.73
  5. Step 5: Solve for x
    x = 1,320,391,183.73/56,996.99
  6. Step 6: Final answer
    x = 23,165.98

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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.