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Finding the Fourth Proportional to 6,159.80, 9,237 and 1,777.16

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Solution

The fourth proportional to 6,159.80, 9,237 and 1,777.16 is: 2,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,159.80 : 9,237 = 1,777.16 : x
  2. Step 2: Convert to fraction form
    6,159.80/9,237 = 1,777.16/x
  3. Step 3: Cross multiply
    6,159.80x = 9,237 × 1,777.16
  4. Step 4: Simplify right side
    6,159.80x = 16,415,626.92
  5. Step 5: Solve for x
    x = 16,415,626.92/6,159.80
  6. Step 6: Final answer
    x = 2,664.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.