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Finding the Fourth Proportional to 43,611.80, 65,417.94 and 15,532.94

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Solution

The fourth proportional to 43,611.80, 65,417.94 and 15,532.94 is: 23,299.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,611.80 : 65,417.94 = 15,532.94 : x
  2. Step 2: Convert to fraction form
    43,611.80/65,417.94 = 15,532.94/x
  3. Step 3: Cross multiply
    43,611.80x = 65,417.94 × 15,532.94
  4. Step 4: Simplify right side
    43,611.80x = 1,016,132,936.94
  5. Step 5: Solve for x
    x = 1,016,132,936.94/43,611.80
  6. Step 6: Final answer
    x = 23,299.50

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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.