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Finding the Fourth Proportional to 32,830.80, 49,246.20 and 31,858.80

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Solution

The fourth proportional to 32,830.80, 49,246.20 and 31,858.80 is: 47,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,830.80 : 49,246.20 = 31,858.80 : x
  2. Step 2: Convert to fraction form
    32,830.80/49,246.20 = 31,858.80/x
  3. Step 3: Cross multiply
    32,830.80x = 49,246.20 × 31,858.80
  4. Step 4: Simplify right side
    32,830.80x = 1,568,924,836.56
  5. Step 5: Solve for x
    x = 1,568,924,836.56/32,830.80
  6. Step 6: Final answer
    x = 47,788.20

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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.