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Finding the Fourth Proportional to 14,508.72, 21,744 and 6,700.32

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Solution

The fourth proportional to 14,508.72, 21,744 and 6,700.32 is: 10,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,508.72 : 21,744 = 6,700.32 : x
  2. Step 2: Convert to fraction form
    14,508.72/21,744 = 6,700.32/x
  3. Step 3: Cross multiply
    14,508.72x = 21,744 × 6,700.32
  4. Step 4: Simplify right side
    14,508.72x = 145,691,758.08
  5. Step 5: Solve for x
    x = 145,691,758.08/14,508.72
  6. Step 6: Final answer
    x = 10,041.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.