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Finding the Fourth Proportional to 32,664.40, 45,076.80 and 17,760.40

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Solution

The fourth proportional to 32,664.40, 45,076.80 and 17,760.40 is: 24,509.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,664.40 : 45,076.80 = 17,760.40 : x
  2. Step 2: Convert to fraction form
    32,664.40/45,076.80 = 17,760.40/x
  3. Step 3: Cross multiply
    32,664.40x = 45,076.80 × 17,760.40
  4. Step 4: Simplify right side
    32,664.40x = 800,581,998.72
  5. Step 5: Solve for x
    x = 800,581,998.72/32,664.40
  6. Step 6: Final answer
    x = 24,509.31

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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.