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Finding the Fourth Proportional to 7,899.03, 11,840.04 and 4,197.53

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Solution

The fourth proportional to 7,899.03, 11,840.04 and 4,197.53 is: 6,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.03 : 11,840.04 = 4,197.53 : x
  2. Step 2: Convert to fraction form
    7,899.03/11,840.04 = 4,197.53/x
  3. Step 3: Cross multiply
    7,899.03x = 11,840.04 × 4,197.53
  4. Step 4: Simplify right side
    7,899.03x = 49,698,952.70
  5. Step 5: Solve for x
    x = 49,698,952.70/7,899.03
  6. Step 6: Final answer
    x = 6,291.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.