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Finding the Fourth Proportional to 12,603.03, 17,391.81 and 7,297.95

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Solution

The fourth proportional to 12,603.03, 17,391.81 and 7,297.95 is: 10,070.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603.03 : 17,391.81 = 7,297.95 : x
  2. Step 2: Convert to fraction form
    12,603.03/17,391.81 = 7,297.95/x
  3. Step 3: Cross multiply
    12,603.03x = 17,391.81 × 7,297.95
  4. Step 4: Simplify right side
    12,603.03x = 126,924,559.79
  5. Step 5: Solve for x
    x = 126,924,559.79/12,603.03
  6. Step 6: Final answer
    x = 10,070.96

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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.