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Finding the Fourth Proportional to 18,574.02, 27,867.96 and 7,483.85

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Solution

The fourth proportional to 18,574.02, 27,867.96 and 7,483.85 is: 11,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574.02 : 27,867.96 = 7,483.85 : x
  2. Step 2: Convert to fraction form
    18,574.02/27,867.96 = 7,483.85/x
  3. Step 3: Cross multiply
    18,574.02x = 27,867.96 × 7,483.85
  4. Step 4: Simplify right side
    18,574.02x = 208,559,702.12
  5. Step 5: Solve for x
    x = 208,559,702.12/18,574.02
  6. Step 6: Final answer
    x = 11,228.57

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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.