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Finding the Fourth Proportional to 39,636.40, 59,454.60 and 36,007.60

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Solution

The fourth proportional to 39,636.40, 59,454.60 and 36,007.60 is: 54,011.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,636.40 : 59,454.60 = 36,007.60 : x
  2. Step 2: Convert to fraction form
    39,636.40/59,454.60 = 36,007.60/x
  3. Step 3: Cross multiply
    39,636.40x = 59,454.60 × 36,007.60
  4. Step 4: Simplify right side
    39,636.40x = 2,140,817,454.96
  5. Step 5: Solve for x
    x = 2,140,817,454.96/39,636.40
  6. Step 6: Final answer
    x = 54,011.40

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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.