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Finding the Fourth Proportional to 6,604,922.80, 9,907,384.20 and 4,804,001.20

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Solution

The fourth proportional to 6,604,922.80, 9,907,384.20 and 4,804,001.20 is: 7,206,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,604,922.80 : 9,907,384.20 = 4,804,001.20 : x
  2. Step 2: Convert to fraction form
    6,604,922.80/9,907,384.20 = 4,804,001.20/x
  3. Step 3: Cross multiply
    6,604,922.80x = 9,907,384.20 × 4,804,001.20
  4. Step 4: Simplify right side
    6,604,922.80x = 47,595,085,585,661.04
  5. Step 5: Solve for x
    x = 47,595,085,585,661.04/6,604,922.80
  6. Step 6: Final answer
    x = 7,206,001.80

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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.