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Finding the Fourth Proportional to 7,173.07, 9,894.54 and 4,515.85

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Solution

The fourth proportional to 7,173.07, 9,894.54 and 4,515.85 is: 6,229.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,173.07 : 9,894.54 = 4,515.85 : x
  2. Step 2: Convert to fraction form
    7,173.07/9,894.54 = 4,515.85/x
  3. Step 3: Cross multiply
    7,173.07x = 9,894.54 × 4,515.85
  4. Step 4: Simplify right side
    7,173.07x = 44,682,258.46
  5. Step 5: Solve for x
    x = 44,682,258.46/7,173.07
  6. Step 6: Final answer
    x = 6,229.17

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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.