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Finding the Fourth Proportional to 6,357,814.71, 8,773,950.58 and 3,457,375.21

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Solution

The fourth proportional to 6,357,814.71, 8,773,950.58 and 3,457,375.21 is: 4,771,268.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,357,814.71 : 8,773,950.58 = 3,457,375.21 : x
  2. Step 2: Convert to fraction form
    6,357,814.71/8,773,950.58 = 3,457,375.21/x
  3. Step 3: Cross multiply
    6,357,814.71x = 8,773,950.58 × 3,457,375.21
  4. Step 4: Simplify right side
    6,357,814.71x = 30,334,839,229,057.12
  5. Step 5: Solve for x
    x = 30,334,839,229,057.12/6,357,814.71
  6. Step 6: Final answer
    x = 4,771,268.21

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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.