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Finding the Fourth Proportional to 9,900.99, 14,851.20 and 3,327.54

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Solution

The fourth proportional to 9,900.99, 14,851.20 and 3,327.54 is: 4,991.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.99 : 14,851.20 = 3,327.54 : x
  2. Step 2: Convert to fraction form
    9,900.99/14,851.20 = 3,327.54/x
  3. Step 3: Cross multiply
    9,900.99x = 14,851.20 × 3,327.54
  4. Step 4: Simplify right side
    9,900.99x = 49,417,962.05
  5. Step 5: Solve for x
    x = 49,417,962.05/9,900.99
  6. Step 6: Final answer
    x = 4,991.21

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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.