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Finding the Fourth Proportional to 2,999.53, 4,139.05 and 1,673.00

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Solution

The fourth proportional to 2,999.53, 4,139.05 and 1,673.00 is: 2,308.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,999.53 : 4,139.05 = 1,673.00 : x
  2. Step 2: Convert to fraction form
    2,999.53/4,139.05 = 1,673.00/x
  3. Step 3: Cross multiply
    2,999.53x = 4,139.05 × 1,673.00
  4. Step 4: Simplify right side
    2,999.53x = 6,924,647.71
  5. Step 5: Solve for x
    x = 6,924,647.71/2,999.53
  6. Step 6: Final answer
    x = 2,308.58

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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.