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Finding the Fourth Proportional to 36,429.60, 54,633.60 and 14,230.20

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Solution

The fourth proportional to 36,429.60, 54,633.60 and 14,230.20 is: 21,341.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,429.60 : 54,633.60 = 14,230.20 : x
  2. Step 2: Convert to fraction form
    36,429.60/54,633.60 = 14,230.20/x
  3. Step 3: Cross multiply
    36,429.60x = 54,633.60 × 14,230.20
  4. Step 4: Simplify right side
    36,429.60x = 777,447,054.72
  5. Step 5: Solve for x
    x = 777,447,054.72/36,429.60
  6. Step 6: Final answer
    x = 21,341.08

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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.