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Finding the Fourth Proportional to 12,100,015.70, 16,952,619.10 and 12,100,015.70

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Solution

The fourth proportional to 12,100,015.70, 16,952,619.10 and 12,100,015.70 is: 16,952,619.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,100,015.70 : 16,952,619.10 = 12,100,015.70 : x
  2. Step 2: Convert to fraction form
    12,100,015.70/16,952,619.10 = 12,100,015.70/x
  3. Step 3: Cross multiply
    12,100,015.70x = 16,952,619.10 × 12,100,015.70
  4. Step 4: Simplify right side
    12,100,015.70x = 205,126,957,266,119.88
  5. Step 5: Solve for x
    x = 205,126,957,266,119.88/12,100,015.70
  6. Step 6: Final answer
    x = 16,952,619.10

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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.