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Finding the Fourth Proportional to 4,693, 6,476.36 and 2,830.36

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Solution

The fourth proportional to 4,693, 6,476.36 and 2,830.36 is: 3,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,693 : 6,476.36 = 2,830.36 : x
  2. Step 2: Convert to fraction form
    4,693/6,476.36 = 2,830.36/x
  3. Step 3: Cross multiply
    4,693x = 6,476.36 × 2,830.36
  4. Step 4: Simplify right side
    4,693x = 18,330,430.29
  5. Step 5: Solve for x
    x = 18,330,430.29/4,693
  6. Step 6: Final answer
    x = 3,905.91

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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.