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Finding the Fourth Proportional to 32,438.66, 44,769.65 and 19,015.20

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Solution

The fourth proportional to 32,438.66, 44,769.65 and 19,015.20 is: 26,243.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,438.66 : 44,769.65 = 19,015.20 : x
  2. Step 2: Convert to fraction form
    32,438.66/44,769.65 = 19,015.20/x
  3. Step 3: Cross multiply
    32,438.66x = 44,769.65 × 19,015.20
  4. Step 4: Simplify right side
    32,438.66x = 851,303,753.60
  5. Step 5: Solve for x
    x = 851,303,753.60/32,438.66
  6. Step 6: Final answer
    x = 26,243.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.