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Finding the Fourth Proportional to 19,517, 29,244.82 and 15,085.51

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Solution

The fourth proportional to 19,517, 29,244.82 and 15,085.51 is: 22,604.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,517 : 29,244.82 = 15,085.51 : x
  2. Step 2: Convert to fraction form
    19,517/29,244.82 = 15,085.51/x
  3. Step 3: Cross multiply
    19,517x = 29,244.82 × 15,085.51
  4. Step 4: Simplify right side
    19,517x = 441,173,024.56
  5. Step 5: Solve for x
    x = 441,173,024.56/19,517
  6. Step 6: Final answer
    x = 22,604.55

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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.