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Finding the Fourth Proportional to 55,684.80, 83,540.88 and 16,242.30

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Solution

The fourth proportional to 55,684.80, 83,540.88 and 16,242.30 is: 24,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,684.80 : 83,540.88 = 16,242.30 : x
  2. Step 2: Convert to fraction form
    55,684.80/83,540.88 = 16,242.30/x
  3. Step 3: Cross multiply
    55,684.80x = 83,540.88 × 16,242.30
  4. Step 4: Simplify right side
    55,684.80x = 1,356,896,035.22
  5. Step 5: Solve for x
    x = 1,356,896,035.22/55,684.80
  6. Step 6: Final answer
    x = 24,367.44

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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.