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Finding the Fourth Proportional to 54,401.45, 81,601.10 and 35,798.99

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Solution

The fourth proportional to 54,401.45, 81,601.10 and 35,798.99 is: 53,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,401.45 : 81,601.10 = 35,798.99 : x
  2. Step 2: Convert to fraction form
    54,401.45/81,601.10 = 35,798.99/x
  3. Step 3: Cross multiply
    54,401.45x = 81,601.10 × 35,798.99
  4. Step 4: Simplify right side
    54,401.45x = 2,921,236,783.89
  5. Step 5: Solve for x
    x = 2,921,236,783.89/54,401.45
  6. Step 6: Final answer
    x = 53,697.77

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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.