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Finding the Fourth Proportional to 32,003.40, 48,007.66 and 8,629.50

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Solution

The fourth proportional to 32,003.40, 48,007.66 and 8,629.50 is: 12,944.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,003.40 : 48,007.66 = 8,629.50 : x
  2. Step 2: Convert to fraction form
    32,003.40/48,007.66 = 8,629.50/x
  3. Step 3: Cross multiply
    32,003.40x = 48,007.66 × 8,629.50
  4. Step 4: Simplify right side
    32,003.40x = 414,282,101.97
  5. Step 5: Solve for x
    x = 414,282,101.97/32,003.40
  6. Step 6: Final answer
    x = 12,944.94

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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.