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Finding the Fourth Proportional to 49,777.60, 74,752.80 and 26,449.60

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Solution

The fourth proportional to 49,777.60, 74,752.80 and 26,449.60 is: 39,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,777.60 : 74,752.80 = 26,449.60 : x
  2. Step 2: Convert to fraction form
    49,777.60/74,752.80 = 26,449.60/x
  3. Step 3: Cross multiply
    49,777.60x = 74,752.80 × 26,449.60
  4. Step 4: Simplify right side
    49,777.60x = 1,977,181,658.88
  5. Step 5: Solve for x
    x = 1,977,181,658.88/49,777.60
  6. Step 6: Final answer
    x = 39,720.31

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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.