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Finding the Fourth Proportional to 6,370.72, 8,795.86 and 4,875.95

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Solution

The fourth proportional to 6,370.72, 8,795.86 and 4,875.95 is: 6,732.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.72 : 8,795.86 = 4,875.95 : x
  2. Step 2: Convert to fraction form
    6,370.72/8,795.86 = 4,875.95/x
  3. Step 3: Cross multiply
    6,370.72x = 8,795.86 × 4,875.95
  4. Step 4: Simplify right side
    6,370.72x = 42,888,183.37
  5. Step 5: Solve for x
    x = 42,888,183.37/6,370.72
  6. Step 6: Final answer
    x = 6,732.08

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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.