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Finding the Fourth Proportional to 14,299.07, 21,442.53 and 7,723.49

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Solution

The fourth proportional to 14,299.07, 21,442.53 and 7,723.49 is: 11,581.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,299.07 : 21,442.53 = 7,723.49 : x
  2. Step 2: Convert to fraction form
    14,299.07/21,442.53 = 7,723.49/x
  3. Step 3: Cross multiply
    14,299.07x = 21,442.53 × 7,723.49
  4. Step 4: Simplify right side
    14,299.07x = 165,611,166.03
  5. Step 5: Solve for x
    x = 165,611,166.03/14,299.07
  6. Step 6: Final answer
    x = 11,581.95

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1.5x scale

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.