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Finding the Fourth Proportional to 19,994.34, 29,962.34 and 11,246.34

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Solution

The fourth proportional to 19,994.34, 29,962.34 and 11,246.34 is: 16,853.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,994.34 : 29,962.34 = 11,246.34 : x
  2. Step 2: Convert to fraction form
    19,994.34/29,962.34 = 11,246.34/x
  3. Step 3: Cross multiply
    19,994.34x = 29,962.34 × 11,246.34
  4. Step 4: Simplify right side
    19,994.34x = 336,966,662.84
  5. Step 5: Solve for x
    x = 336,966,662.84/19,994.34
  6. Step 6: Final answer
    x = 16,853.10

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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.