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Finding the Fourth Proportional to 14,998.58, 20,700.69 and 8,624.67

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Solution

The fourth proportional to 14,998.58, 20,700.69 and 8,624.67 is: 11,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,998.58 : 20,700.69 = 8,624.67 : x
  2. Step 2: Convert to fraction form
    14,998.58/20,700.69 = 8,624.67/x
  3. Step 3: Cross multiply
    14,998.58x = 20,700.69 × 8,624.67
  4. Step 4: Simplify right side
    14,998.58x = 178,536,620.02
  5. Step 5: Solve for x
    x = 178,536,620.02/14,998.58
  6. Step 6: Final answer
    x = 11,903.57

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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.