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Finding the Fourth Proportional to 14,593.48, 21,890.86 and 5,354.44

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Solution

The fourth proportional to 14,593.48, 21,890.86 and 5,354.44 is: 8,031.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,593.48 : 21,890.86 = 5,354.44 : x
  2. Step 2: Convert to fraction form
    14,593.48/21,890.86 = 5,354.44/x
  3. Step 3: Cross multiply
    14,593.48x = 21,890.86 × 5,354.44
  4. Step 4: Simplify right side
    14,593.48x = 117,213,296.42
  5. Step 5: Solve for x
    x = 117,213,296.42/14,593.48
  6. Step 6: Final answer
    x = 8,031.89

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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.