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Finding the Fourth Proportional to 4,603.91, 6,907.91 and 2,412.12

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Solution

The fourth proportional to 4,603.91, 6,907.91 and 2,412.12 is: 3,619.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.91 : 6,907.91 = 2,412.12 : x
  2. Step 2: Convert to fraction form
    4,603.91/6,907.91 = 2,412.12/x
  3. Step 3: Cross multiply
    4,603.91x = 6,907.91 × 2,412.12
  4. Step 4: Simplify right side
    4,603.91x = 16,662,695.81
  5. Step 5: Solve for x
    x = 16,662,695.81/4,603.91
  6. Step 6: Final answer
    x = 3,619.25

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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.