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Finding the Fourth Proportional to 52,620.60, 78,930.90 and 32,937.60

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Solution

The fourth proportional to 52,620.60, 78,930.90 and 32,937.60 is: 49,406.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,620.60 : 78,930.90 = 32,937.60 : x
  2. Step 2: Convert to fraction form
    52,620.60/78,930.90 = 32,937.60/x
  3. Step 3: Cross multiply
    52,620.60x = 78,930.90 × 32,937.60
  4. Step 4: Simplify right side
    52,620.60x = 2,599,794,411.84
  5. Step 5: Solve for x
    x = 2,599,794,411.84/52,620.60
  6. Step 6: Final answer
    x = 49,406.40

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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.