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Finding the Fourth Proportional to 14,883.60, 20,537.64 and 8,914.44

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Solution

The fourth proportional to 14,883.60, 20,537.64 and 8,914.44 is: 12,300.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,883.60 : 20,537.64 = 8,914.44 : x
  2. Step 2: Convert to fraction form
    14,883.60/20,537.64 = 8,914.44/x
  3. Step 3: Cross multiply
    14,883.60x = 20,537.64 × 8,914.44
  4. Step 4: Simplify right side
    14,883.60x = 183,081,559.52
  5. Step 5: Solve for x
    x = 183,081,559.52/14,883.60
  6. Step 6: Final answer
    x = 12,300.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.