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Finding the Fourth Proportional to 32,760.60, 49,128.90 and 10,579.80

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Solution

The fourth proportional to 32,760.60, 49,128.90 and 10,579.80 is: 15,865.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,760.60 : 49,128.90 = 10,579.80 : x
  2. Step 2: Convert to fraction form
    32,760.60/49,128.90 = 10,579.80/x
  3. Step 3: Cross multiply
    32,760.60x = 49,128.90 × 10,579.80
  4. Step 4: Simplify right side
    32,760.60x = 519,773,936.22
  5. Step 5: Solve for x
    x = 519,773,936.22/32,760.60
  6. Step 6: Final answer
    x = 15,865.82

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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.