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Finding the Fourth Proportional to 76,383.84, 114,581.91 and 29,021.63

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Solution

The fourth proportional to 76,383.84, 114,581.91 and 29,021.63 is: 43,534.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,383.84 : 114,581.91 = 29,021.63 : x
  2. Step 2: Convert to fraction form
    76,383.84/114,581.91 = 29,021.63/x
  3. Step 3: Cross multiply
    76,383.84x = 114,581.91 × 29,021.63
  4. Step 4: Simplify right side
    76,383.84x = 3,325,353,223.80
  5. Step 5: Solve for x
    x = 3,325,353,223.80/76,383.84
  6. Step 6: Final answer
    x = 43,534.77

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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.