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Finding the Fourth Proportional to 36,500.60, 54,750.90 and 10,205.30

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Solution

The fourth proportional to 36,500.60, 54,750.90 and 10,205.30 is: 15,307.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,500.60 : 54,750.90 = 10,205.30 : x
  2. Step 2: Convert to fraction form
    36,500.60/54,750.90 = 10,205.30/x
  3. Step 3: Cross multiply
    36,500.60x = 54,750.90 × 10,205.30
  4. Step 4: Simplify right side
    36,500.60x = 558,749,359.77
  5. Step 5: Solve for x
    x = 558,749,359.77/36,500.60
  6. Step 6: Final answer
    x = 15,307.95

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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.