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Finding the Fourth Proportional to 9,447.89, 14,171.52 and 5,073.89

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Solution

The fourth proportional to 9,447.89, 14,171.52 and 5,073.89 is: 7,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,447.89 : 14,171.52 = 5,073.89 : x
  2. Step 2: Convert to fraction form
    9,447.89/14,171.52 = 5,073.89/x
  3. Step 3: Cross multiply
    9,447.89x = 14,171.52 × 5,073.89
  4. Step 4: Simplify right side
    9,447.89x = 71,904,733.61
  5. Step 5: Solve for x
    x = 71,904,733.61/9,447.89
  6. Step 6: Final answer
    x = 7,610.67

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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.