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Finding the Fourth Proportional to 11,498.00, 15,870.29 and 6,785.42

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Solution

The fourth proportional to 11,498.00, 15,870.29 and 6,785.42 is: 9,365.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,498.00 : 15,870.29 = 6,785.42 : x
  2. Step 2: Convert to fraction form
    11,498.00/15,870.29 = 6,785.42/x
  3. Step 3: Cross multiply
    11,498.00x = 15,870.29 × 6,785.42
  4. Step 4: Simplify right side
    11,498.00x = 107,686,469.89
  5. Step 5: Solve for x
    x = 107,686,469.89/11,498.00
  6. Step 6: Final answer
    x = 9,365.67

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.