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Finding the Fourth Proportional to 32,558.80, 48,859.80 and 18,518.80

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Solution

The fourth proportional to 32,558.80, 48,859.80 and 18,518.80 is: 27,790.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,558.80 : 48,859.80 = 18,518.80 : x
  2. Step 2: Convert to fraction form
    32,558.80/48,859.80 = 18,518.80/x
  3. Step 3: Cross multiply
    32,558.80x = 48,859.80 × 18,518.80
  4. Step 4: Simplify right side
    32,558.80x = 904,824,864.24
  5. Step 5: Solve for x
    x = 904,824,864.24/32,558.80
  6. Step 6: Final answer
    x = 27,790.49

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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.