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Finding the Fourth Proportional to 18,465,274.26, 27,697,874.22 and 17,341,603.57

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Solution

The fourth proportional to 18,465,274.26, 27,697,874.22 and 17,341,603.57 is: 26,012,370.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,465,274.26 : 27,697,874.22 = 17,341,603.57 : x
  2. Step 2: Convert to fraction form
    18,465,274.26/27,697,874.22 = 17,341,603.57/x
  3. Step 3: Cross multiply
    18,465,274.26x = 27,697,874.22 × 17,341,603.57
  4. Step 4: Simplify right side
    18,465,274.26x = 480,325,554,454,962.94
  5. Step 5: Solve for x
    x = 480,325,554,454,962.94/18,465,274.26
  6. Step 6: Final answer
    x = 26,012,370.45

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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.