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Finding the Fourth Proportional to 20,165,348.10, 30,248,022.15 and 20,165,348.10

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Solution

The fourth proportional to 20,165,348.10, 30,248,022.15 and 20,165,348.10 is: 30,248,022.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,348.10 : 30,248,022.15 = 20,165,348.10 : x
  2. Step 2: Convert to fraction form
    20,165,348.10/30,248,022.15 = 20,165,348.10/x
  3. Step 3: Cross multiply
    20,165,348.10x = 30,248,022.15 × 20,165,348.10
  4. Step 4: Simplify right side
    20,165,348.10x = 609,961,895,991,260.38
  5. Step 5: Solve for x
    x = 609,961,895,991,260.38/20,165,348.10
  6. Step 6: Final answer
    x = 30,248,022.15

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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.