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Finding the Fourth Proportional to 9,658,469.20, 14,487,703.80 and 8,566,718.80

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Solution

The fourth proportional to 9,658,469.20, 14,487,703.80 and 8,566,718.80 is: 12,850,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,658,469.20 : 14,487,703.80 = 8,566,718.80 : x
  2. Step 2: Convert to fraction form
    9,658,469.20/14,487,703.80 = 8,566,718.80/x
  3. Step 3: Cross multiply
    9,658,469.20x = 14,487,703.80 × 8,566,718.80
  4. Step 4: Simplify right side
    9,658,469.20x = 124,112,084,512,291.45
  5. Step 5: Solve for x
    x = 124,112,084,512,291.45/9,658,469.20
  6. Step 6: Final answer
    x = 12,850,078.20

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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.