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Finding the Fourth Proportional to 8,760,759.80, 12,089,719.80 and 4,893,337.40

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Solution

The fourth proportional to 8,760,759.80, 12,089,719.80 and 4,893,337.40 is: 6,752,733.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760,759.80 : 12,089,719.80 = 4,893,337.40 : x
  2. Step 2: Convert to fraction form
    8,760,759.80/12,089,719.80 = 4,893,337.40/x
  3. Step 3: Cross multiply
    8,760,759.80x = 12,089,719.80 × 4,893,337.40
  4. Step 4: Simplify right side
    8,760,759.80x = 59,159,078,052,860.53
  5. Step 5: Solve for x
    x = 59,159,078,052,860.53/8,760,759.80
  6. Step 6: Final answer
    x = 6,752,733.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.