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Finding the Fourth Proportional to 57,630.80, 86,448.12 and 16,074.32

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Solution

The fourth proportional to 57,630.80, 86,448.12 and 16,074.32 is: 24,112.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,630.80 : 86,448.12 = 16,074.32 : x
  2. Step 2: Convert to fraction form
    57,630.80/86,448.12 = 16,074.32/x
  3. Step 3: Cross multiply
    57,630.80x = 86,448.12 × 16,074.32
  4. Step 4: Simplify right side
    57,630.80x = 1,389,594,744.28
  5. Step 5: Solve for x
    x = 1,389,594,744.28/57,630.80
  6. Step 6: Final answer
    x = 24,112.02

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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.