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Finding the Fourth Proportional to 52,452.80, 72,378.60 and 29,783.60

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Solution

The fourth proportional to 52,452.80, 72,378.60 and 29,783.60 is: 41,097.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,452.80 : 72,378.60 = 29,783.60 : x
  2. Step 2: Convert to fraction form
    52,452.80/72,378.60 = 29,783.60/x
  3. Step 3: Cross multiply
    52,452.80x = 72,378.60 × 29,783.60
  4. Step 4: Simplify right side
    52,452.80x = 2,155,695,270.96
  5. Step 5: Solve for x
    x = 2,155,695,270.96/52,452.80
  6. Step 6: Final answer
    x = 41,097.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.