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Finding the Fourth Proportional to 32,005.70, 47,986.95 and 17,015.30

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Solution

The fourth proportional to 32,005.70, 47,986.95 and 17,015.30 is: 25,511.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,005.70 : 47,986.95 = 17,015.30 : x
  2. Step 2: Convert to fraction form
    32,005.70/47,986.95 = 17,015.30/x
  3. Step 3: Cross multiply
    32,005.70x = 47,986.95 × 17,015.30
  4. Step 4: Simplify right side
    32,005.70x = 816,512,350.34
  5. Step 5: Solve for x
    x = 816,512,350.34/32,005.70
  6. Step 6: Final answer
    x = 25,511.47

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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.