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Finding the Fourth Proportional to 6,866.07, 9,478.71 and 4,350.81

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Solution

The fourth proportional to 6,866.07, 9,478.71 and 4,350.81 is: 6,006.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,866.07 : 9,478.71 = 4,350.81 : x
  2. Step 2: Convert to fraction form
    6,866.07/9,478.71 = 4,350.81/x
  3. Step 3: Cross multiply
    6,866.07x = 9,478.71 × 4,350.81
  4. Step 4: Simplify right side
    6,866.07x = 41,240,066.26
  5. Step 5: Solve for x
    x = 41,240,066.26/6,866.07
  6. Step 6: Final answer
    x = 6,006.36

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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.