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Finding the Fourth Proportional to 6,468,371.64, 8,926,394.96 and 3,567,840.84

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Solution

The fourth proportional to 6,468,371.64, 8,926,394.96 and 3,567,840.84 is: 4,923,643.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,468,371.64 : 8,926,394.96 = 3,567,840.84 : x
  2. Step 2: Convert to fraction form
    6,468,371.64/8,926,394.96 = 3,567,840.84/x
  3. Step 3: Cross multiply
    6,468,371.64x = 8,926,394.96 × 3,567,840.84
  4. Step 4: Simplify right side
    6,468,371.64x = 31,847,956,492,258.17
  5. Step 5: Solve for x
    x = 31,847,956,492,258.17/6,468,371.64
  6. Step 6: Final answer
    x = 4,923,643.58

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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.