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Finding the Fourth Proportional to 18,568.51, 25,625.00 and 10,502.42

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Solution

The fourth proportional to 18,568.51, 25,625.00 and 10,502.42 is: 14,493.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,568.51 : 25,625.00 = 10,502.42 : x
  2. Step 2: Convert to fraction form
    18,568.51/25,625.00 = 10,502.42/x
  3. Step 3: Cross multiply
    18,568.51x = 25,625.00 × 10,502.42
  4. Step 4: Simplify right side
    18,568.51x = 269,124,410.63
  5. Step 5: Solve for x
    x = 269,124,410.63/18,568.51
  6. Step 6: Final answer
    x = 14,493.59

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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.