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Finding the Fourth Proportional to 63,093.60, 94,640.40 and 18,716.40

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Solution

The fourth proportional to 63,093.60, 94,640.40 and 18,716.40 is: 28,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,093.60 : 94,640.40 = 18,716.40 : x
  2. Step 2: Convert to fraction form
    63,093.60/94,640.40 = 18,716.40/x
  3. Step 3: Cross multiply
    63,093.60x = 94,640.40 × 18,716.40
  4. Step 4: Simplify right side
    63,093.60x = 1,771,327,582.56
  5. Step 5: Solve for x
    x = 1,771,327,582.56/63,093.60
  6. Step 6: Final answer
    x = 28,074.60

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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.