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Finding the Fourth Proportional to 20,169.65, 30,259.14 and 6,841.93

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Solution

The fourth proportional to 20,169.65, 30,259.14 and 6,841.93 is: 10,264.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169.65 : 30,259.14 = 6,841.93 : x
  2. Step 2: Convert to fraction form
    20,169.65/30,259.14 = 6,841.93/x
  3. Step 3: Cross multiply
    20,169.65x = 30,259.14 × 6,841.93
  4. Step 4: Simplify right side
    20,169.65x = 207,030,917.74
  5. Step 5: Solve for x
    x = 207,030,917.74/20,169.65
  6. Step 6: Final answer
    x = 10,264.48

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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.