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Finding the Fourth Proportional to 32,757.60, 49,136.40 and 8,133.60

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Solution

The fourth proportional to 32,757.60, 49,136.40 and 8,133.60 is: 12,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,757.60 : 49,136.40 = 8,133.60 : x
  2. Step 2: Convert to fraction form
    32,757.60/49,136.40 = 8,133.60/x
  3. Step 3: Cross multiply
    32,757.60x = 49,136.40 × 8,133.60
  4. Step 4: Simplify right side
    32,757.60x = 399,655,823.04
  5. Step 5: Solve for x
    x = 399,655,823.04/32,757.60
  6. Step 6: Final answer
    x = 12,200.40

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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.