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Finding the Fourth Proportional to 8,693.85, 13,030.70 and 4,004.01

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Solution

The fourth proportional to 8,693.85, 13,030.70 and 4,004.01 is: 6,001.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,693.85 : 13,030.70 = 4,004.01 : x
  2. Step 2: Convert to fraction form
    8,693.85/13,030.70 = 4,004.01/x
  3. Step 3: Cross multiply
    8,693.85x = 13,030.70 × 4,004.01
  4. Step 4: Simplify right side
    8,693.85x = 52,175,033.09
  5. Step 5: Solve for x
    x = 52,175,033.09/8,693.85
  6. Step 6: Final answer
    x = 6,001.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.