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Finding the Fourth Proportional to 4,419.99, 6,615.41 and 3,933.99

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Solution

The fourth proportional to 4,419.99, 6,615.41 and 3,933.99 is: 5,888.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.99 : 6,615.41 = 3,933.99 : x
  2. Step 2: Convert to fraction form
    4,419.99/6,615.41 = 3,933.99/x
  3. Step 3: Cross multiply
    4,419.99x = 6,615.41 × 3,933.99
  4. Step 4: Simplify right side
    4,419.99x = 26,024,937.12
  5. Step 5: Solve for x
    x = 26,024,937.12/4,419.99
  6. Step 6: Final answer
    x = 5,888.01

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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.