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Finding the Fourth Proportional to 6,435.42, 8,880.72 and 3,602.82

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Solution

The fourth proportional to 6,435.42, 8,880.72 and 3,602.82 is: 4,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,435.42 : 8,880.72 = 3,602.82 : x
  2. Step 2: Convert to fraction form
    6,435.42/8,880.72 = 3,602.82/x
  3. Step 3: Cross multiply
    6,435.42x = 8,880.72 × 3,602.82
  4. Step 4: Simplify right side
    6,435.42x = 31,995,635.63
  5. Step 5: Solve for x
    x = 31,995,635.63/6,435.42
  6. Step 6: Final answer
    x = 4,971.80

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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.