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Finding the Fourth Proportional to 18,873.97, 26,045.44 and 10,490.29

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Solution

The fourth proportional to 18,873.97, 26,045.44 and 10,490.29 is: 14,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,873.97 : 26,045.44 = 10,490.29 : x
  2. Step 2: Convert to fraction form
    18,873.97/26,045.44 = 10,490.29/x
  3. Step 3: Cross multiply
    18,873.97x = 26,045.44 × 10,490.29
  4. Step 4: Simplify right side
    18,873.97x = 273,224,218.78
  5. Step 5: Solve for x
    x = 273,224,218.78/18,873.97
  6. Step 6: Final answer
    x = 14,476.25

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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.