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Finding the Fourth Proportional to 32,801.60, 49,190.40 and 10,620.80

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Solution

The fourth proportional to 32,801.60, 49,190.40 and 10,620.80 is: 15,927.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,801.60 : 49,190.40 = 10,620.80 : x
  2. Step 2: Convert to fraction form
    32,801.60/49,190.40 = 10,620.80/x
  3. Step 3: Cross multiply
    32,801.60x = 49,190.40 × 10,620.80
  4. Step 4: Simplify right side
    32,801.60x = 522,441,400.32
  5. Step 5: Solve for x
    x = 522,441,400.32/32,801.60
  6. Step 6: Final answer
    x = 15,927.31

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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.