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Finding the Fourth Proportional to 6,345.16, 8,751.66 and 4,666

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Solution

The fourth proportional to 6,345.16, 8,751.66 and 4,666 is: 6,435.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,345.16 : 8,751.66 = 4,666 : x
  2. Step 2: Convert to fraction form
    6,345.16/8,751.66 = 4,666/x
  3. Step 3: Cross multiply
    6,345.16x = 8,751.66 × 4,666
  4. Step 4: Simplify right side
    6,345.16x = 40,835,245.56
  5. Step 5: Solve for x
    x = 40,835,245.56/6,345.16
  6. Step 6: Final answer
    x = 6,435.65

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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.