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Finding the Fourth Proportional to 14,858,999.10, 20,840,390.10 and 14,858,999.10

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Solution

The fourth proportional to 14,858,999.10, 20,840,390.10 and 14,858,999.10 is: 20,840,390.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858,999.10 : 20,840,390.10 = 14,858,999.10 : x
  2. Step 2: Convert to fraction form
    14,858,999.10/20,840,390.10 = 14,858,999.10/x
  3. Step 3: Cross multiply
    14,858,999.10x = 20,840,390.10 × 14,858,999.10
  4. Step 4: Simplify right side
    14,858,999.10x = 309,667,337,739,548.94
  5. Step 5: Solve for x
    x = 309,667,337,739,548.94/14,858,999.10
  6. Step 6: Final answer
    x = 20,840,390.10

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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.