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Finding the Fourth Proportional to 32,615.40, 48,923.10 and 27,079.80

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Solution

The fourth proportional to 32,615.40, 48,923.10 and 27,079.80 is: 40,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,615.40 : 48,923.10 = 27,079.80 : x
  2. Step 2: Convert to fraction form
    32,615.40/48,923.10 = 27,079.80/x
  3. Step 3: Cross multiply
    32,615.40x = 48,923.10 × 27,079.80
  4. Step 4: Simplify right side
    32,615.40x = 1,324,827,763.38
  5. Step 5: Solve for x
    x = 1,324,827,763.38/32,615.40
  6. Step 6: Final answer
    x = 40,619.70

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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.