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Finding the Fourth Proportional to 7,295.88, 10,070.55 and 4,938

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Solution

The fourth proportional to 7,295.88, 10,070.55 and 4,938 is: 6,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,295.88 : 10,070.55 = 4,938 : x
  2. Step 2: Convert to fraction form
    7,295.88/10,070.55 = 4,938/x
  3. Step 3: Cross multiply
    7,295.88x = 10,070.55 × 4,938
  4. Step 4: Simplify right side
    7,295.88x = 49,728,375.90
  5. Step 5: Solve for x
    x = 49,728,375.90/7,295.88
  6. Step 6: Final answer
    x = 6,815.95

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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.