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Finding the Fourth Proportional to 8,401.95, 12,603.95 and 3,722.00

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Solution

The fourth proportional to 8,401.95, 12,603.95 and 3,722.00 is: 5,583.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.95 : 12,603.95 = 3,722.00 : x
  2. Step 2: Convert to fraction form
    8,401.95/12,603.95 = 3,722.00/x
  3. Step 3: Cross multiply
    8,401.95x = 12,603.95 × 3,722.00
  4. Step 4: Simplify right side
    8,401.95x = 46,911,926.06
  5. Step 5: Solve for x
    x = 46,911,926.06/8,401.95
  6. Step 6: Final answer
    x = 5,583.46

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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.