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Finding the Fourth Proportional to 3,696,010.80, 5,161,818 and 3,696,010.80

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Solution

The fourth proportional to 3,696,010.80, 5,161,818 and 3,696,010.80 is: 5,161,818

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696,010.80 : 5,161,818 = 3,696,010.80 : x
  2. Step 2: Convert to fraction form
    3,696,010.80/5,161,818 = 3,696,010.80/x
  3. Step 3: Cross multiply
    3,696,010.80x = 5,161,818 × 3,696,010.80
  4. Step 4: Simplify right side
    3,696,010.80x = 19,078,135,075,634.40
  5. Step 5: Solve for x
    x = 19,078,135,075,634.40/3,696,010.80
  6. Step 6: Final answer
    x = 5,161,818

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Double scale
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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.