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Finding the Fourth Proportional to 6,357,491.52, 8,776,589.07 and 4,903,923.84

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Solution

The fourth proportional to 6,357,491.52, 8,776,589.07 and 4,903,923.84 is: 6,769,922.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,491.52 : 8,776,589.07 = 4,903,923.84 : x
  2. Step 2: Convert to fraction form
    6,357,491.52/8,776,589.07 = 4,903,923.84/x
  3. Step 3: Cross multiply
    6,357,491.52x = 8,776,589.07 × 4,903,923.84
  4. Step 4: Simplify right side
    6,357,491.52x = 43,039,724,374,256.43
  5. Step 5: Solve for x
    x = 43,039,724,374,256.43/6,357,491.52
  6. Step 6: Final answer
    x = 6,769,922.42

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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.