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Finding the Fourth Proportional to 20,051.47, 30,053.94 and 7,563.49

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Solution

The fourth proportional to 20,051.47, 30,053.94 and 7,563.49 is: 11,336.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,051.47 : 30,053.94 = 7,563.49 : x
  2. Step 2: Convert to fraction form
    20,051.47/30,053.94 = 7,563.49/x
  3. Step 3: Cross multiply
    20,051.47x = 30,053.94 × 7,563.49
  4. Step 4: Simplify right side
    20,051.47x = 227,312,674.65
  5. Step 5: Solve for x
    x = 227,312,674.65/20,051.47
  6. Step 6: Final answer
    x = 11,336.46

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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.