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Finding the Fourth Proportional to 52,930.93, 79,292.60 and 30,697.60

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Solution

The fourth proportional to 52,930.93, 79,292.60 and 30,697.60 is: 45,986.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,930.93 : 79,292.60 = 30,697.60 : x
  2. Step 2: Convert to fraction form
    52,930.93/79,292.60 = 30,697.60/x
  3. Step 3: Cross multiply
    52,930.93x = 79,292.60 × 30,697.60
  4. Step 4: Simplify right side
    52,930.93x = 2,434,092,517.76
  5. Step 5: Solve for x
    x = 2,434,092,517.76/52,930.93
  6. Step 6: Final answer
    x = 45,986.20

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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.