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Finding the Fourth Proportional to 18,074.01, 27,106.64 and 6,973.62

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Solution

The fourth proportional to 18,074.01, 27,106.64 and 6,973.62 is: 10,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.01 : 27,106.64 = 6,973.62 : x
  2. Step 2: Convert to fraction form
    18,074.01/27,106.64 = 6,973.62/x
  3. Step 3: Cross multiply
    18,074.01x = 27,106.64 × 6,973.62
  4. Step 4: Simplify right side
    18,074.01x = 189,031,335.70
  5. Step 5: Solve for x
    x = 189,031,335.70/18,074.01
  6. Step 6: Final answer
    x = 10,458.74

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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.