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Finding the Fourth Proportional to 19,010.70, 28,514.70 and 5,862.24

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Solution

The fourth proportional to 19,010.70, 28,514.70 and 5,862.24 is: 8,792.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,010.70 : 28,514.70 = 5,862.24 : x
  2. Step 2: Convert to fraction form
    19,010.70/28,514.70 = 5,862.24/x
  3. Step 3: Cross multiply
    19,010.70x = 28,514.70 × 5,862.24
  4. Step 4: Simplify right side
    19,010.70x = 167,160,014.93
  5. Step 5: Solve for x
    x = 167,160,014.93/19,010.70
  6. Step 6: Final answer
    x = 8,792.94

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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.