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Finding the Fourth Proportional to 9,421.99, 14,134.42 and 3,094.88

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Solution

The fourth proportional to 9,421.99, 14,134.42 and 3,094.88 is: 4,642.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,421.99 : 14,134.42 = 3,094.88 : x
  2. Step 2: Convert to fraction form
    9,421.99/14,134.42 = 3,094.88/x
  3. Step 3: Cross multiply
    9,421.99x = 14,134.42 × 3,094.88
  4. Step 4: Simplify right side
    9,421.99x = 43,744,263.10
  5. Step 5: Solve for x
    x = 43,744,263.10/9,421.99
  6. Step 6: Final answer
    x = 4,642.79

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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.