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Finding the Fourth Proportional to 52,605.80, 78,908.70 and 32,906.60

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Solution

The fourth proportional to 52,605.80, 78,908.70 and 32,906.60 is: 49,359.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,605.80 : 78,908.70 = 32,906.60 : x
  2. Step 2: Convert to fraction form
    52,605.80/78,908.70 = 32,906.60/x
  3. Step 3: Cross multiply
    52,605.80x = 78,908.70 × 32,906.60
  4. Step 4: Simplify right side
    52,605.80x = 2,596,617,027.42
  5. Step 5: Solve for x
    x = 2,596,617,027.42/52,605.80
  6. Step 6: Final answer
    x = 49,359.90

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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.