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Finding the Fourth Proportional to 12,550,570.28, 18,825,855.41 and 12,550,570.28

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Solution

The fourth proportional to 12,550,570.28, 18,825,855.41 and 12,550,570.28 is: 18,825,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550,570.28 : 18,825,855.41 = 12,550,570.28 : x
  2. Step 2: Convert to fraction form
    12,550,570.28/18,825,855.41 = 12,550,570.28/x
  3. Step 3: Cross multiply
    12,550,570.28x = 18,825,855.41 × 12,550,570.28
  4. Step 4: Simplify right side
    12,550,570.28x = 236,275,221,341,570.38
  5. Step 5: Solve for x
    x = 236,275,221,341,570.38/12,550,570.28
  6. Step 6: Final answer
    x = 18,825,855.41

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Similar ratio
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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.