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Finding the Fourth Proportional to 36,602.80, 54,904.20 and 18,829.78

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Solution

The fourth proportional to 36,602.80, 54,904.20 and 18,829.78 is: 28,244.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,602.80 : 54,904.20 = 18,829.78 : x
  2. Step 2: Convert to fraction form
    36,602.80/54,904.20 = 18,829.78/x
  3. Step 3: Cross multiply
    36,602.80x = 54,904.20 × 18,829.78
  4. Step 4: Simplify right side
    36,602.80x = 1,033,834,007.08
  5. Step 5: Solve for x
    x = 1,033,834,007.08/36,602.80
  6. Step 6: Final answer
    x = 28,244.67

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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.