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Finding the Fourth Proportional to 57,540.68, 79,395.54 and 32,384.84

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Solution

The fourth proportional to 57,540.68, 79,395.54 and 32,384.84 is: 44,685.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,540.68 : 79,395.54 = 32,384.84 : x
  2. Step 2: Convert to fraction form
    57,540.68/79,395.54 = 32,384.84/x
  3. Step 3: Cross multiply
    57,540.68x = 79,395.54 × 32,384.84
  4. Step 4: Simplify right side
    57,540.68x = 2,571,211,859.61
  5. Step 5: Solve for x
    x = 2,571,211,859.61/57,540.68
  6. Step 6: Final answer
    x = 44,685.11

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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.