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Finding the Fourth Proportional to 6,689.04, 9,232.80 and 4,036

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Solution

The fourth proportional to 6,689.04, 9,232.80 and 4,036 is: 5,570.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,689.04 : 9,232.80 = 4,036 : x
  2. Step 2: Convert to fraction form
    6,689.04/9,232.80 = 4,036/x
  3. Step 3: Cross multiply
    6,689.04x = 9,232.80 × 4,036
  4. Step 4: Simplify right side
    6,689.04x = 37,263,580.80
  5. Step 5: Solve for x
    x = 37,263,580.80/6,689.04
  6. Step 6: Final answer
    x = 5,570.84

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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.