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Finding the Fourth Proportional to 19,299.88, 29,094.46 and 18,013.95

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Solution

The fourth proportional to 19,299.88, 29,094.46 and 18,013.95 is: 27,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,299.88 : 29,094.46 = 18,013.95 : x
  2. Step 2: Convert to fraction form
    19,299.88/29,094.46 = 18,013.95/x
  3. Step 3: Cross multiply
    19,299.88x = 29,094.46 × 18,013.95
  4. Step 4: Simplify right side
    19,299.88x = 524,106,147.72
  5. Step 5: Solve for x
    x = 524,106,147.72/19,299.88
  6. Step 6: Final answer
    x = 27,155.93

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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.