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Finding the Fourth Proportional to 32,003.40, 47,969.10 and 15,371.40

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Solution

The fourth proportional to 32,003.40, 47,969.10 and 15,371.40 is: 23,039.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,003.40 : 47,969.10 = 15,371.40 : x
  2. Step 2: Convert to fraction form
    32,003.40/47,969.10 = 15,371.40/x
  3. Step 3: Cross multiply
    32,003.40x = 47,969.10 × 15,371.40
  4. Step 4: Simplify right side
    32,003.40x = 737,352,223.74
  5. Step 5: Solve for x
    x = 737,352,223.74/32,003.40
  6. Step 6: Final answer
    x = 23,039.81

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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.