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Finding the Fourth Proportional to 14,899.01, 20,567.06 and 9,865.67

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Solution

The fourth proportional to 14,899.01, 20,567.06 and 9,865.67 is: 13,618.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,899.01 : 20,567.06 = 9,865.67 : x
  2. Step 2: Convert to fraction form
    14,899.01/20,567.06 = 9,865.67/x
  3. Step 3: Cross multiply
    14,899.01x = 20,567.06 × 9,865.67
  4. Step 4: Simplify right side
    14,899.01x = 202,907,674.67
  5. Step 5: Solve for x
    x = 202,907,674.67/14,899.01
  6. Step 6: Final answer
    x = 13,618.87

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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.