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Finding the Fourth Proportional to 19,304.68, 29,101.68 and 18,018.75

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Solution

The fourth proportional to 19,304.68, 29,101.68 and 18,018.75 is: 27,163.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,304.68 : 29,101.68 = 18,018.75 : x
  2. Step 2: Convert to fraction form
    19,304.68/29,101.68 = 18,018.75/x
  3. Step 3: Cross multiply
    19,304.68x = 29,101.68 × 18,018.75
  4. Step 4: Simplify right side
    19,304.68x = 524,376,005.63
  5. Step 5: Solve for x
    x = 524,376,005.63/19,304.68
  6. Step 6: Final answer
    x = 27,163.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.