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Finding the Fourth Proportional to 4,603.78, 6,351.18 and 3,605.05

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Solution

The fourth proportional to 4,603.78, 6,351.18 and 3,605.05 is: 4,973.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,603.78 : 6,351.18 = 3,605.05 : x
  2. Step 2: Convert to fraction form
    4,603.78/6,351.18 = 3,605.05/x
  3. Step 3: Cross multiply
    4,603.78x = 6,351.18 × 3,605.05
  4. Step 4: Simplify right side
    4,603.78x = 22,896,321.46
  5. Step 5: Solve for x
    x = 22,896,321.46/4,603.78
  6. Step 6: Final answer
    x = 4,973.37

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1.5x scale

Why These Related Problems?

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