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Finding the Fourth Proportional to 7,007.14, 9,669.18 and 4,317.94

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Solution

The fourth proportional to 7,007.14, 9,669.18 and 4,317.94 is: 5,958.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,007.14 : 9,669.18 = 4,317.94 : x
  2. Step 2: Convert to fraction form
    7,007.14/9,669.18 = 4,317.94/x
  3. Step 3: Cross multiply
    7,007.14x = 9,669.18 × 4,317.94
  4. Step 4: Simplify right side
    7,007.14x = 41,750,939.09
  5. Step 5: Solve for x
    x = 41,750,939.09/7,007.14
  6. Step 6: Final answer
    x = 5,958.34

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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.