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Finding the Fourth Proportional to 21,601.17, 32,401.99 and 6,018.80

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Solution

The fourth proportional to 21,601.17, 32,401.99 and 6,018.80 is: 9,028.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.17 : 32,401.99 = 6,018.80 : x
  2. Step 2: Convert to fraction form
    21,601.17/32,401.99 = 6,018.80/x
  3. Step 3: Cross multiply
    21,601.17x = 32,401.99 × 6,018.80
  4. Step 4: Simplify right side
    21,601.17x = 195,020,920.36
  5. Step 5: Solve for x
    x = 195,020,920.36/21,601.17
  6. Step 6: Final answer
    x = 9,028.26

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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.