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Finding the Fourth Proportional to 18,410.96, 25,407.42 and 10,027.48

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Solution

The fourth proportional to 18,410.96, 25,407.42 and 10,027.48 is: 13,838.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,410.96 : 25,407.42 = 10,027.48 : x
  2. Step 2: Convert to fraction form
    18,410.96/25,407.42 = 10,027.48/x
  3. Step 3: Cross multiply
    18,410.96x = 25,407.42 × 10,027.48
  4. Step 4: Simplify right side
    18,410.96x = 254,772,395.90
  5. Step 5: Solve for x
    x = 254,772,395.90/18,410.96
  6. Step 6: Final answer
    x = 13,838.08

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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.