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Finding the Fourth Proportional to 3,794.64, 5,688.54 and 1,603.50

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Solution

The fourth proportional to 3,794.64, 5,688.54 and 1,603.50 is: 2,403.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.64 : 5,688.54 = 1,603.50 : x
  2. Step 2: Convert to fraction form
    3,794.64/5,688.54 = 1,603.50/x
  3. Step 3: Cross multiply
    3,794.64x = 5,688.54 × 1,603.50
  4. Step 4: Simplify right side
    3,794.64x = 9,121,573.89
  5. Step 5: Solve for x
    x = 9,121,573.89/3,794.64
  6. Step 6: Final answer
    x = 2,403.80

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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.