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Finding the Fourth Proportional to 12,293.01, 18,437.70 and 4,500

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Solution

The fourth proportional to 12,293.01, 18,437.70 and 4,500 is: 6,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.01 : 18,437.70 = 4,500 : x
  2. Step 2: Convert to fraction form
    12,293.01/18,437.70 = 4,500/x
  3. Step 3: Cross multiply
    12,293.01x = 18,437.70 × 4,500
  4. Step 4: Simplify right side
    12,293.01x = 82,969,650
  5. Step 5: Solve for x
    x = 82,969,650/12,293.01
  6. Step 6: Final answer
    x = 6,749.34

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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.