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Finding the Fourth Proportional to 60,399.54, 90,563.54 and 18,266.85

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Solution

The fourth proportional to 60,399.54, 90,563.54 and 18,266.85 is: 27,389.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,399.54 : 90,563.54 = 18,266.85 : x
  2. Step 2: Convert to fraction form
    60,399.54/90,563.54 = 18,266.85/x
  3. Step 3: Cross multiply
    60,399.54x = 90,563.54 × 18,266.85
  4. Step 4: Simplify right side
    60,399.54x = 1,654,310,509.31
  5. Step 5: Solve for x
    x = 1,654,310,509.31/60,399.54
  6. Step 6: Final answer
    x = 27,389.46

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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.