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Finding the Fourth Proportional to 5,859,774.20, 8,789,661.30 and 4,852,004.60

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Solution

The fourth proportional to 5,859,774.20, 8,789,661.30 and 4,852,004.60 is: 7,278,006.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,859,774.20 : 8,789,661.30 = 4,852,004.60 : x
  2. Step 2: Convert to fraction form
    5,859,774.20/8,789,661.30 = 4,852,004.60/x
  3. Step 3: Cross multiply
    5,859,774.20x = 8,789,661.30 × 4,852,004.60
  4. Step 4: Simplify right side
    5,859,774.20x = 42,647,477,060,041.98
  5. Step 5: Solve for x
    x = 42,647,477,060,041.98/5,859,774.20
  6. Step 6: Final answer
    x = 7,278,006.90

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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.