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Finding the Fourth Proportional to 19,273.86, 28,894.86 and 8,592.48

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Solution

The fourth proportional to 19,273.86, 28,894.86 and 8,592.48 is: 12,881.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,273.86 : 28,894.86 = 8,592.48 : x
  2. Step 2: Convert to fraction form
    19,273.86/28,894.86 = 8,592.48/x
  3. Step 3: Cross multiply
    19,273.86x = 28,894.86 × 8,592.48
  4. Step 4: Simplify right side
    19,273.86x = 248,278,506.65
  5. Step 5: Solve for x
    x = 248,278,506.65/19,273.86
  6. Step 6: Final answer
    x = 12,881.62

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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.