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Finding the Fourth Proportional to 6,367.53, 8,790.51 and 4,948.02

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Solution

The fourth proportional to 6,367.53, 8,790.51 and 4,948.02 is: 6,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,367.53 : 8,790.51 = 4,948.02 : x
  2. Step 2: Convert to fraction form
    6,367.53/8,790.51 = 4,948.02/x
  3. Step 3: Cross multiply
    6,367.53x = 8,790.51 × 4,948.02
  4. Step 4: Simplify right side
    6,367.53x = 43,495,619.29
  5. Step 5: Solve for x
    x = 43,495,619.29/6,367.53
  6. Step 6: Final answer
    x = 6,830.85

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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.