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Finding the Fourth Proportional to 45,324.99, 67,985.44 and 15,745.14

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Solution

The fourth proportional to 45,324.99, 67,985.44 and 15,745.14 is: 23,617.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,324.99 : 67,985.44 = 15,745.14 : x
  2. Step 2: Convert to fraction form
    45,324.99/67,985.44 = 15,745.14/x
  3. Step 3: Cross multiply
    45,324.99x = 67,985.44 × 15,745.14
  4. Step 4: Simplify right side
    45,324.99x = 1,070,440,231.40
  5. Step 5: Solve for x
    x = 1,070,440,231.40/45,324.99
  6. Step 6: Final answer
    x = 23,617.00

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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.