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Finding the Fourth Proportional to 18,048.60, 27,056.70 and 16,080.30

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Solution

The fourth proportional to 18,048.60, 27,056.70 and 16,080.30 is: 24,106.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,048.60 : 27,056.70 = 16,080.30 : x
  2. Step 2: Convert to fraction form
    18,048.60/27,056.70 = 16,080.30/x
  3. Step 3: Cross multiply
    18,048.60x = 27,056.70 × 16,080.30
  4. Step 4: Simplify right side
    18,048.60x = 435,079,853.01
  5. Step 5: Solve for x
    x = 435,079,853.01/18,048.60
  6. Step 6: Final answer
    x = 24,106.02

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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.