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Finding the Fourth Proportional to 4,020,110.70, 5,643,084.90 and 4,020,110.70

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Solution

The fourth proportional to 4,020,110.70, 5,643,084.90 and 4,020,110.70 is: 5,643,084.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020,110.70 : 5,643,084.90 = 4,020,110.70 : x
  2. Step 2: Convert to fraction form
    4,020,110.70/5,643,084.90 = 4,020,110.70/x
  3. Step 3: Cross multiply
    4,020,110.70x = 5,643,084.90 × 4,020,110.70
  4. Step 4: Simplify right side
    4,020,110.70x = 22,685,825,987,498.43
  5. Step 5: Solve for x
    x = 22,685,825,987,498.43/4,020,110.70
  6. Step 6: Final answer
    x = 5,643,084.90

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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.