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Finding the Fourth Proportional to 14,073.60, 21,110.08 and 5,753.60

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Solution

The fourth proportional to 14,073.60, 21,110.08 and 5,753.60 is: 8,630.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,073.60 : 21,110.08 = 5,753.60 : x
  2. Step 2: Convert to fraction form
    14,073.60/21,110.08 = 5,753.60/x
  3. Step 3: Cross multiply
    14,073.60x = 21,110.08 × 5,753.60
  4. Step 4: Simplify right side
    14,073.60x = 121,458,956.29
  5. Step 5: Solve for x
    x = 121,458,956.29/14,073.60
  6. Step 6: Final answer
    x = 8,630.27

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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.