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Finding the Fourth Proportional to 6,242.75, 9,368.74 and 2,955.84

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Solution

The fourth proportional to 6,242.75, 9,368.74 and 2,955.84 is: 4,435.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,242.75 : 9,368.74 = 2,955.84 : x
  2. Step 2: Convert to fraction form
    6,242.75/9,368.74 = 2,955.84/x
  3. Step 3: Cross multiply
    6,242.75x = 9,368.74 × 2,955.84
  4. Step 4: Simplify right side
    6,242.75x = 27,692,509.39
  5. Step 5: Solve for x
    x = 27,692,509.39/6,242.75
  6. Step 6: Final answer
    x = 4,435.94

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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.