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Finding the Fourth Proportional to 13,879.74, 19,153.83 and 7,592.13

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Solution

The fourth proportional to 13,879.74, 19,153.83 and 7,592.13 is: 10,477.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,879.74 : 19,153.83 = 7,592.13 : x
  2. Step 2: Convert to fraction form
    13,879.74/19,153.83 = 7,592.13/x
  3. Step 3: Cross multiply
    13,879.74x = 19,153.83 × 7,592.13
  4. Step 4: Simplify right side
    13,879.74x = 145,418,367.36
  5. Step 5: Solve for x
    x = 145,418,367.36/13,879.74
  6. Step 6: Final answer
    x = 10,477.02

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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.