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Finding the Fourth Proportional to 6,492,068.74, 8,959,318.95 and 3,591,409.78

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Solution

The fourth proportional to 6,492,068.74, 8,959,318.95 and 3,591,409.78 is: 4,956,291.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,492,068.74 : 8,959,318.95 = 3,591,409.78 : x
  2. Step 2: Convert to fraction form
    6,492,068.74/8,959,318.95 = 3,591,409.78/x
  3. Step 3: Cross multiply
    6,492,068.74x = 8,959,318.95 × 3,591,409.78
  4. Step 4: Simplify right side
    6,492,068.74x = 32,176,585,699,169.33
  5. Step 5: Solve for x
    x = 32,176,585,699,169.33/6,492,068.74
  6. Step 6: Final answer
    x = 4,956,291.59

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