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Finding the Fourth Proportional to 29,709.66, 44,564.49 and 7,220.22

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Solution

The fourth proportional to 29,709.66, 44,564.49 and 7,220.22 is: 10,830.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,709.66 : 44,564.49 = 7,220.22 : x
  2. Step 2: Convert to fraction form
    29,709.66/44,564.49 = 7,220.22/x
  3. Step 3: Cross multiply
    29,709.66x = 44,564.49 × 7,220.22
  4. Step 4: Simplify right side
    29,709.66x = 321,765,421.99
  5. Step 5: Solve for x
    x = 321,765,421.99/29,709.66
  6. Step 6: Final answer
    x = 10,830.33

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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.