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Finding the Fourth Proportional to 18,130.97, 25,008.03 and 17,521.34

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Solution

The fourth proportional to 18,130.97, 25,008.03 and 17,521.34 is: 24,167.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,130.97 : 25,008.03 = 17,521.34 : x
  2. Step 2: Convert to fraction form
    18,130.97/25,008.03 = 17,521.34/x
  3. Step 3: Cross multiply
    18,130.97x = 25,008.03 × 17,521.34
  4. Step 4: Simplify right side
    18,130.97x = 438,174,196.36
  5. Step 5: Solve for x
    x = 438,174,196.36/18,130.97
  6. Step 6: Final answer
    x = 24,167.17

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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.