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Finding the Fourth Proportional to 9,192.99, 13,790.01 and 2,619.69

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Solution

The fourth proportional to 9,192.99, 13,790.01 and 2,619.69 is: 3,929.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.99 : 13,790.01 = 2,619.69 : x
  2. Step 2: Convert to fraction form
    9,192.99/13,790.01 = 2,619.69/x
  3. Step 3: Cross multiply
    9,192.99x = 13,790.01 × 2,619.69
  4. Step 4: Simplify right side
    9,192.99x = 36,125,533.46
  5. Step 5: Solve for x
    x = 36,125,533.46/9,192.99
  6. Step 6: Final answer
    x = 3,929.68

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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.