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Finding the Fourth Proportional to 11,305.98, 15,603.04 and 6,270.68

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Solution

The fourth proportional to 11,305.98, 15,603.04 and 6,270.68 is: 8,653.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,305.98 : 15,603.04 = 6,270.68 : x
  2. Step 2: Convert to fraction form
    11,305.98/15,603.04 = 6,270.68/x
  3. Step 3: Cross multiply
    11,305.98x = 15,603.04 × 6,270.68
  4. Step 4: Simplify right side
    11,305.98x = 97,841,592.85
  5. Step 5: Solve for x
    x = 97,841,592.85/11,305.98
  6. Step 6: Final answer
    x = 8,653.97

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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.