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Finding the Fourth Proportional to 14,900.01, 20,568.44 and 9,866.67

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Solution

The fourth proportional to 14,900.01, 20,568.44 and 9,866.67 is: 13,620.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,900.01 : 20,568.44 = 9,866.67 : x
  2. Step 2: Convert to fraction form
    14,900.01/20,568.44 = 9,866.67/x
  3. Step 3: Cross multiply
    14,900.01x = 20,568.44 × 9,866.67
  4. Step 4: Simplify right side
    14,900.01x = 202,942,009.89
  5. Step 5: Solve for x
    x = 202,942,009.89/14,900.01
  6. Step 6: Final answer
    x = 13,620.26

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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.