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Finding the Fourth Proportional to 18,683.55, 28,030.81 and 6,033.04

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Solution

The fourth proportional to 18,683.55, 28,030.81 and 6,033.04 is: 9,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,683.55 : 28,030.81 = 6,033.04 : x
  2. Step 2: Convert to fraction form
    18,683.55/28,030.81 = 6,033.04/x
  3. Step 3: Cross multiply
    18,683.55x = 28,030.81 × 6,033.04
  4. Step 4: Simplify right side
    18,683.55x = 169,110,874.22
  5. Step 5: Solve for x
    x = 169,110,874.22/18,683.55
  6. Step 6: Final answer
    x = 9,051.32

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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.