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Finding the Fourth Proportional to 14,495.70, 21,743.55 and 7,101.30

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Solution

The fourth proportional to 14,495.70, 21,743.55 and 7,101.30 is: 10,651.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.70 : 21,743.55 = 7,101.30 : x
  2. Step 2: Convert to fraction form
    14,495.70/21,743.55 = 7,101.30/x
  3. Step 3: Cross multiply
    14,495.70x = 21,743.55 × 7,101.30
  4. Step 4: Simplify right side
    14,495.70x = 154,407,471.62
  5. Step 5: Solve for x
    x = 154,407,471.62/14,495.70
  6. Step 6: Final answer
    x = 10,651.95

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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.