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Finding the Fourth Proportional to 10,994.63, 16,490.21 and 3,598.92

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Solution

The fourth proportional to 10,994.63, 16,490.21 and 3,598.92 is: 5,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,994.63 : 16,490.21 = 3,598.92 : x
  2. Step 2: Convert to fraction form
    10,994.63/16,490.21 = 3,598.92/x
  3. Step 3: Cross multiply
    10,994.63x = 16,490.21 × 3,598.92
  4. Step 4: Simplify right side
    10,994.63x = 59,346,928.58
  5. Step 5: Solve for x
    x = 59,346,928.58/10,994.63
  6. Step 6: Final answer
    x = 5,397.81

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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.