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Finding the Fourth Proportional to 6,868.09, 9,477.08 and 4,476.97

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Solution

The fourth proportional to 6,868.09, 9,477.08 and 4,476.97 is: 6,177.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,868.09 : 9,477.08 = 4,476.97 : x
  2. Step 2: Convert to fraction form
    6,868.09/9,477.08 = 4,476.97/x
  3. Step 3: Cross multiply
    6,868.09x = 9,477.08 × 4,476.97
  4. Step 4: Simplify right side
    6,868.09x = 42,428,602.85
  5. Step 5: Solve for x
    x = 42,428,602.85/6,868.09
  6. Step 6: Final answer
    x = 6,177.64

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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.