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Finding the Fourth Proportional to 35,806.84, 49,411.68 and 19,892.20

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Solution

The fourth proportional to 35,806.84, 49,411.68 and 19,892.20 is: 27,450.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,806.84 : 49,411.68 = 19,892.20 : x
  2. Step 2: Convert to fraction form
    35,806.84/49,411.68 = 19,892.20/x
  3. Step 3: Cross multiply
    35,806.84x = 49,411.68 × 19,892.20
  4. Step 4: Simplify right side
    35,806.84x = 982,907,020.90
  5. Step 5: Solve for x
    x = 982,907,020.90/35,806.84
  6. Step 6: Final answer
    x = 27,450.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.