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Finding the Fourth Proportional to 14,064.87, 21,093.05 and 4,702.48

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Solution

The fourth proportional to 14,064.87, 21,093.05 and 4,702.48 is: 7,052.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.87 : 21,093.05 = 4,702.48 : x
  2. Step 2: Convert to fraction form
    14,064.87/21,093.05 = 4,702.48/x
  3. Step 3: Cross multiply
    14,064.87x = 21,093.05 × 4,702.48
  4. Step 4: Simplify right side
    14,064.87x = 99,189,622.25
  5. Step 5: Solve for x
    x = 99,189,622.25/14,064.87
  6. Step 6: Final answer
    x = 7,052.30

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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.