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Finding the Fourth Proportional to 29,808.81, 41,086.74 and 29,020.00

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Solution

The fourth proportional to 29,808.81, 41,086.74 and 29,020.00 is: 39,999.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,808.81 : 41,086.74 = 29,020.00 : x
  2. Step 2: Convert to fraction form
    29,808.81/41,086.74 = 29,020.00/x
  3. Step 3: Cross multiply
    29,808.81x = 41,086.74 × 29,020.00
  4. Step 4: Simplify right side
    29,808.81x = 1,192,337,162.39
  5. Step 5: Solve for x
    x = 1,192,337,162.39/29,808.81
  6. Step 6: Final answer
    x = 39,999.49

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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.