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Finding the Fourth Proportional to 7,503.88, 10,355.22 and 4,146.83

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Solution

The fourth proportional to 7,503.88, 10,355.22 and 4,146.83 is: 5,722.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,503.88 : 10,355.22 = 4,146.83 : x
  2. Step 2: Convert to fraction form
    7,503.88/10,355.22 = 4,146.83/x
  3. Step 3: Cross multiply
    7,503.88x = 10,355.22 × 4,146.83
  4. Step 4: Simplify right side
    7,503.88x = 42,941,336.95
  5. Step 5: Solve for x
    x = 42,941,336.95/7,503.88
  6. Step 6: Final answer
    x = 5,722.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.