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Finding the Fourth Proportional to 32,847.70, 49,259.40 and 10,661.80

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Solution

The fourth proportional to 32,847.70, 49,259.40 and 10,661.80 is: 15,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,847.70 : 49,259.40 = 10,661.80 : x
  2. Step 2: Convert to fraction form
    32,847.70/49,259.40 = 10,661.80/x
  3. Step 3: Cross multiply
    32,847.70x = 49,259.40 × 10,661.80
  4. Step 4: Simplify right side
    32,847.70x = 525,193,870.92
  5. Step 5: Solve for x
    x = 525,193,870.92/32,847.70
  6. Step 6: Final answer
    x = 15,988.76

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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.