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Finding the Fourth Proportional to 4,893,441.30, 7,340,161.97 and 4,893,441.30

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Solution

The fourth proportional to 4,893,441.30, 7,340,161.97 and 4,893,441.30 is: 7,340,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,893,441.30 : 7,340,161.97 = 4,893,441.30 : x
  2. Step 2: Convert to fraction form
    4,893,441.30/7,340,161.97 = 4,893,441.30/x
  3. Step 3: Cross multiply
    4,893,441.30x = 7,340,161.97 × 4,893,441.30
  4. Step 4: Simplify right side
    4,893,441.30x = 35,918,651,732,687.36
  5. Step 5: Solve for x
    x = 35,918,651,732,687.36/4,893,441.30
  6. Step 6: Final answer
    x = 7,340,161.97

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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.