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Finding the Fourth Proportional to 15,695,998.80, 22,024,786.80 and 15,695,998.80

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Solution

The fourth proportional to 15,695,998.80, 22,024,786.80 and 15,695,998.80 is: 22,024,786.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,695,998.80 : 22,024,786.80 = 15,695,998.80 : x
  2. Step 2: Convert to fraction form
    15,695,998.80/22,024,786.80 = 15,695,998.80/x
  3. Step 3: Cross multiply
    15,695,998.80x = 22,024,786.80 × 15,695,998.80
  4. Step 4: Simplify right side
    15,695,998.80x = 345,701,027,183,055.88
  5. Step 5: Solve for x
    x = 345,701,027,183,055.88/15,695,998.80
  6. Step 6: Final answer
    x = 22,024,786.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.