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Finding the Fourth Proportional to 7,103.74, 9,799.23 and 6,603.34

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Solution

The fourth proportional to 7,103.74, 9,799.23 and 6,603.34 is: 9,108.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,103.74 : 9,799.23 = 6,603.34 : x
  2. Step 2: Convert to fraction form
    7,103.74/9,799.23 = 6,603.34/x
  3. Step 3: Cross multiply
    7,103.74x = 9,799.23 × 6,603.34
  4. Step 4: Simplify right side
    7,103.74x = 64,707,647.43
  5. Step 5: Solve for x
    x = 64,707,647.43/7,103.74
  6. Step 6: Final answer
    x = 9,108.95

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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.