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Finding the Fourth Proportional to 6,448.99, 8,901.45 and 3,797.93

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Solution

The fourth proportional to 6,448.99, 8,901.45 and 3,797.93 is: 5,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.99 : 8,901.45 = 3,797.93 : x
  2. Step 2: Convert to fraction form
    6,448.99/8,901.45 = 3,797.93/x
  3. Step 3: Cross multiply
    6,448.99x = 8,901.45 × 3,797.93
  4. Step 4: Simplify right side
    6,448.99x = 33,807,065.01
  5. Step 5: Solve for x
    x = 33,807,065.01/6,448.99
  6. Step 6: Final answer
    x = 5,242.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.