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Finding the Fourth Proportional to 19,262.85, 28,894.14 and 6,116.22

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Solution

The fourth proportional to 19,262.85, 28,894.14 and 6,116.22 is: 9,174.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,262.85 : 28,894.14 = 6,116.22 : x
  2. Step 2: Convert to fraction form
    19,262.85/28,894.14 = 6,116.22/x
  3. Step 3: Cross multiply
    19,262.85x = 28,894.14 × 6,116.22
  4. Step 4: Simplify right side
    19,262.85x = 176,722,916.95
  5. Step 5: Solve for x
    x = 176,722,916.95/19,262.85
  6. Step 6: Final answer
    x = 9,174.29

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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.