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Finding the Fourth Proportional to 19,954.98, 29,936.84 and 5,916.10

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Solution

The fourth proportional to 19,954.98, 29,936.84 and 5,916.10 is: 8,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,954.98 : 29,936.84 = 5,916.10 : x
  2. Step 2: Convert to fraction form
    19,954.98/29,936.84 = 5,916.10/x
  3. Step 3: Cross multiply
    19,954.98x = 29,936.84 × 5,916.10
  4. Step 4: Simplify right side
    19,954.98x = 177,109,339.12
  5. Step 5: Solve for x
    x = 177,109,339.12/19,954.98
  6. Step 6: Final answer
    x = 8,875.45

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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.