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Finding the Fourth Proportional to 6,791.84, 9,368.42 and 4,899.95

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Solution

The fourth proportional to 6,791.84, 9,368.42 and 4,899.95 is: 6,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,791.84 : 9,368.42 = 4,899.95 : x
  2. Step 2: Convert to fraction form
    6,791.84/9,368.42 = 4,899.95/x
  3. Step 3: Cross multiply
    6,791.84x = 9,368.42 × 4,899.95
  4. Step 4: Simplify right side
    6,791.84x = 45,904,718.24
  5. Step 5: Solve for x
    x = 45,904,718.24/6,791.84
  6. Step 6: Final answer
    x = 6,758.81

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1.5x scale

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.