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Finding the Fourth Proportional to 18,080.01, 24,962.02 and 12,412.94

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Solution

The fourth proportional to 18,080.01, 24,962.02 and 12,412.94 is: 17,137.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,080.01 : 24,962.02 = 12,412.94 : x
  2. Step 2: Convert to fraction form
    18,080.01/24,962.02 = 12,412.94/x
  3. Step 3: Cross multiply
    18,080.01x = 24,962.02 × 12,412.94
  4. Step 4: Simplify right side
    18,080.01x = 309,851,900.70
  5. Step 5: Solve for x
    x = 309,851,900.70/18,080.01
  6. Step 6: Final answer
    x = 17,137.82

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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.