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Finding the Fourth Proportional to 8,292,900.80, 12,444,880.80 and 4,698,660.80

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Solution

The fourth proportional to 8,292,900.80, 12,444,880.80 and 4,698,660.80 is: 7,051,124.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,292,900.80 : 12,444,880.80 = 4,698,660.80 : x
  2. Step 2: Convert to fraction form
    8,292,900.80/12,444,880.80 = 4,698,660.80/x
  3. Step 3: Cross multiply
    8,292,900.80x = 12,444,880.80 × 4,698,660.80
  4. Step 4: Simplify right side
    8,292,900.80x = 58,474,273,575,632.64
  5. Step 5: Solve for x
    x = 58,474,273,575,632.64/8,292,900.80
  6. Step 6: Final answer
    x = 7,051,124.21

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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.