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Finding the Fourth Proportional to 20,189,266.35, 30,283,899.53 and 20,189,266.35

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Solution

The fourth proportional to 20,189,266.35, 30,283,899.53 and 20,189,266.35 is: 30,283,899.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,189,266.35 : 30,283,899.53 = 20,189,266.35 : x
  2. Step 2: Convert to fraction form
    20,189,266.35/30,283,899.53 = 20,189,266.35/x
  3. Step 3: Cross multiply
    20,189,266.35x = 30,283,899.53 × 20,189,266.35
  4. Step 4: Simplify right side
    20,189,266.35x = 611,409,713,626,863.50
  5. Step 5: Solve for x
    x = 611,409,713,626,863.50/20,189,266.35
  6. Step 6: Final answer
    x = 30,283,899.53

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Double scale
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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.