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Finding the Fourth Proportional to 32,480.88, 48,692.52 and 15,831.60

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Solution

The fourth proportional to 32,480.88, 48,692.52 and 15,831.60 is: 23,733.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,480.88 : 48,692.52 = 15,831.60 : x
  2. Step 2: Convert to fraction form
    32,480.88/48,692.52 = 15,831.60/x
  3. Step 3: Cross multiply
    32,480.88x = 48,692.52 × 15,831.60
  4. Step 4: Simplify right side
    32,480.88x = 770,880,499.63
  5. Step 5: Solve for x
    x = 770,880,499.63/32,480.88
  6. Step 6: Final answer
    x = 23,733.36

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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.