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Finding the Fourth Proportional to 32,855.70, 49,271.40 and 10,669.80

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Solution

The fourth proportional to 32,855.70, 49,271.40 and 10,669.80 is: 16,000.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,855.70 : 49,271.40 = 10,669.80 : x
  2. Step 2: Convert to fraction form
    32,855.70/49,271.40 = 10,669.80/x
  3. Step 3: Cross multiply
    32,855.70x = 49,271.40 × 10,669.80
  4. Step 4: Simplify right side
    32,855.70x = 525,715,983.72
  5. Step 5: Solve for x
    x = 525,715,983.72/32,855.70
  6. Step 6: Final answer
    x = 16,000.75

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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.