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Finding the Fourth Proportional to 32,612.40, 48,918.60 and 27,076.80

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Solution

The fourth proportional to 32,612.40, 48,918.60 and 27,076.80 is: 40,615.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,612.40 : 48,918.60 = 27,076.80 : x
  2. Step 2: Convert to fraction form
    32,612.40/48,918.60 = 27,076.80/x
  3. Step 3: Cross multiply
    32,612.40x = 48,918.60 × 27,076.80
  4. Step 4: Simplify right side
    32,612.40x = 1,324,559,148.48
  5. Step 5: Solve for x
    x = 1,324,559,148.48/32,612.40
  6. Step 6: Final answer
    x = 40,615.20

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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.