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Finding the Fourth Proportional to 5,603.07, 7,729.02 and 3,503.55

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Solution

The fourth proportional to 5,603.07, 7,729.02 and 3,503.55 is: 4,832.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,603.07 : 7,729.02 = 3,503.55 : x
  2. Step 2: Convert to fraction form
    5,603.07/7,729.02 = 3,503.55/x
  3. Step 3: Cross multiply
    5,603.07x = 7,729.02 × 3,503.55
  4. Step 4: Simplify right side
    5,603.07x = 27,078,993.53
  5. Step 5: Solve for x
    x = 27,078,993.53/5,603.07
  6. Step 6: Final answer
    x = 4,832.89

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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.