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Finding the Fourth Proportional to 19,141.71, 28,683.33 and 8,042.33

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Solution

The fourth proportional to 19,141.71, 28,683.33 and 8,042.33 is: 12,051.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,141.71 : 28,683.33 = 8,042.33 : x
  2. Step 2: Convert to fraction form
    19,141.71/28,683.33 = 8,042.33/x
  3. Step 3: Cross multiply
    19,141.71x = 28,683.33 × 8,042.33
  4. Step 4: Simplify right side
    19,141.71x = 230,680,765.15
  5. Step 5: Solve for x
    x = 230,680,765.15/19,141.71
  6. Step 6: Final answer
    x = 12,051.21

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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.