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Finding the Fourth Proportional to 14,579.40, 21,893.40 and 8,010.30

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Solution

The fourth proportional to 14,579.40, 21,893.40 and 8,010.30 is: 12,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,579.40 : 21,893.40 = 8,010.30 : x
  2. Step 2: Convert to fraction form
    14,579.40/21,893.40 = 8,010.30/x
  3. Step 3: Cross multiply
    14,579.40x = 21,893.40 × 8,010.30
  4. Step 4: Simplify right side
    14,579.40x = 175,372,702.02
  5. Step 5: Solve for x
    x = 175,372,702.02/14,579.40
  6. Step 6: Final answer
    x = 12,028.80

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1.5x scale

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.