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Finding the Fourth Proportional to 14,493.42, 21,751.11 and 9,561.42

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Solution

The fourth proportional to 14,493.42, 21,751.11 and 9,561.42 is: 14,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,493.42 : 21,751.11 = 9,561.42 : x
  2. Step 2: Convert to fraction form
    14,493.42/21,751.11 = 9,561.42/x
  3. Step 3: Cross multiply
    14,493.42x = 21,751.11 × 9,561.42
  4. Step 4: Simplify right side
    14,493.42x = 207,971,498.18
  5. Step 5: Solve for x
    x = 207,971,498.18/14,493.42
  6. Step 6: Final answer
    x = 14,349.37

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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.