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Finding the Fourth Proportional to 9,189.99, 13,788.23 and 3,347.19

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Solution

The fourth proportional to 9,189.99, 13,788.23 and 3,347.19 is: 5,021.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.99 : 13,788.23 = 3,347.19 : x
  2. Step 2: Convert to fraction form
    9,189.99/13,788.23 = 3,347.19/x
  3. Step 3: Cross multiply
    9,189.99x = 13,788.23 × 3,347.19
  4. Step 4: Simplify right side
    9,189.99x = 46,151,808.84
  5. Step 5: Solve for x
    x = 46,151,808.84/9,189.99
  6. Step 6: Final answer
    x = 5,021.97

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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.