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Finding the Fourth Proportional to 32,777.60, 49,179.84 and 18,938.24

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Solution

The fourth proportional to 32,777.60, 49,179.84 and 18,938.24 is: 28,415.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,777.60 : 49,179.84 = 18,938.24 : x
  2. Step 2: Convert to fraction form
    32,777.60/49,179.84 = 18,938.24/x
  3. Step 3: Cross multiply
    32,777.60x = 49,179.84 × 18,938.24
  4. Step 4: Simplify right side
    32,777.60x = 931,379,613.08
  5. Step 5: Solve for x
    x = 931,379,613.08/32,777.60
  6. Step 6: Final answer
    x = 28,415.13

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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.