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Finding the Fourth Proportional to 14,904.63, 20,567.97 and 8,443.67

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Solution

The fourth proportional to 14,904.63, 20,567.97 and 8,443.67 is: 11,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,904.63 : 20,567.97 = 8,443.67 : x
  2. Step 2: Convert to fraction form
    14,904.63/20,567.97 = 8,443.67/x
  3. Step 3: Cross multiply
    14,904.63x = 20,567.97 × 8,443.67
  4. Step 4: Simplify right side
    14,904.63x = 173,669,057.61
  5. Step 5: Solve for x
    x = 173,669,057.61/14,904.63
  6. Step 6: Final answer
    x = 11,652.02

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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.