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Finding the Fourth Proportional to 18,550.90, 25,600.19 and 10,053.26

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Solution

The fourth proportional to 18,550.90, 25,600.19 and 10,053.26 is: 13,873.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,550.90 : 25,600.19 = 10,053.26 : x
  2. Step 2: Convert to fraction form
    18,550.90/25,600.19 = 10,053.26/x
  3. Step 3: Cross multiply
    18,550.90x = 25,600.19 × 10,053.26
  4. Step 4: Simplify right side
    18,550.90x = 257,365,366.12
  5. Step 5: Solve for x
    x = 257,365,366.12/18,550.90
  6. Step 6: Final answer
    x = 13,873.47

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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.