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Finding the Fourth Proportional to 15,051.43, 20,771.72 and 9,083.00

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Solution

The fourth proportional to 15,051.43, 20,771.72 and 9,083.00 is: 12,534.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.43 : 20,771.72 = 9,083.00 : x
  2. Step 2: Convert to fraction form
    15,051.43/20,771.72 = 9,083.00/x
  3. Step 3: Cross multiply
    15,051.43x = 20,771.72 × 9,083.00
  4. Step 4: Simplify right side
    15,051.43x = 188,669,383.49
  5. Step 5: Solve for x
    x = 188,669,383.49/15,051.43
  6. Step 6: Final answer
    x = 12,534.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.