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Finding the Fourth Proportional to 29,994.34, 41,392.19 and 17,419.90

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Solution

The fourth proportional to 29,994.34, 41,392.19 and 17,419.90 is: 24,039.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,994.34 : 41,392.19 = 17,419.90 : x
  2. Step 2: Convert to fraction form
    29,994.34/41,392.19 = 17,419.90/x
  3. Step 3: Cross multiply
    29,994.34x = 41,392.19 × 17,419.90
  4. Step 4: Simplify right side
    29,994.34x = 721,047,810.58
  5. Step 5: Solve for x
    x = 721,047,810.58/29,994.34
  6. Step 6: Final answer
    x = 24,039.46

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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.