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Finding the Fourth Proportional to 23,013.01, 34,468.92 and 19,019.01

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Solution

The fourth proportional to 23,013.01, 34,468.92 and 19,019.01 is: 28,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,013.01 : 34,468.92 = 19,019.01 : x
  2. Step 2: Convert to fraction form
    23,013.01/34,468.92 = 19,019.01/x
  3. Step 3: Cross multiply
    23,013.01x = 34,468.92 × 19,019.01
  4. Step 4: Simplify right side
    23,013.01x = 655,564,734.17
  5. Step 5: Solve for x
    x = 655,564,734.17/23,013.01
  6. Step 6: Final answer
    x = 28,486.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.