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Finding the Fourth Proportional to 3,603.74, 4,971.03 and 2,716.76

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Solution

The fourth proportional to 3,603.74, 4,971.03 and 2,716.76 is: 3,747.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,603.74 : 4,971.03 = 2,716.76 : x
  2. Step 2: Convert to fraction form
    3,603.74/4,971.03 = 2,716.76/x
  3. Step 3: Cross multiply
    3,603.74x = 4,971.03 × 2,716.76
  4. Step 4: Simplify right side
    3,603.74x = 13,505,095.46
  5. Step 5: Solve for x
    x = 13,505,095.46/3,603.74
  6. Step 6: Final answer
    x = 3,747.52

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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.