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Finding the Fourth Proportional to 15,955.99, 23,933.97 and 4,268.90

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Solution

The fourth proportional to 15,955.99, 23,933.97 and 4,268.90 is: 6,403.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,955.99 : 23,933.97 = 4,268.90 : x
  2. Step 2: Convert to fraction form
    15,955.99/23,933.97 = 4,268.90/x
  3. Step 3: Cross multiply
    15,955.99x = 23,933.97 × 4,268.90
  4. Step 4: Simplify right side
    15,955.99x = 102,171,784.37
  5. Step 5: Solve for x
    x = 102,171,784.37/15,955.99
  6. Step 6: Final answer
    x = 6,403.35

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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.