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Finding the Fourth Proportional to 32,980.09, 49,469.70 and 8,020.07

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Solution

The fourth proportional to 32,980.09, 49,469.70 and 8,020.07 is: 12,030.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,980.09 : 49,469.70 = 8,020.07 : x
  2. Step 2: Convert to fraction form
    32,980.09/49,469.70 = 8,020.07/x
  3. Step 3: Cross multiply
    32,980.09x = 49,469.70 × 8,020.07
  4. Step 4: Simplify right side
    32,980.09x = 396,750,456.88
  5. Step 5: Solve for x
    x = 396,750,456.88/32,980.09
  6. Step 6: Final answer
    x = 12,030.00

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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.