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Finding the Fourth Proportional to 36,200.60, 54,300.90 and 12,829.40

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Solution

The fourth proportional to 36,200.60, 54,300.90 and 12,829.40 is: 19,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.60 : 54,300.90 = 12,829.40 : x
  2. Step 2: Convert to fraction form
    36,200.60/54,300.90 = 12,829.40/x
  3. Step 3: Cross multiply
    36,200.60x = 54,300.90 × 12,829.40
  4. Step 4: Simplify right side
    36,200.60x = 696,647,966.46
  5. Step 5: Solve for x
    x = 696,647,966.46/36,200.60
  6. Step 6: Final answer
    x = 19,244.10

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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.