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Finding the Fourth Proportional to 57,574.32, 79,452.24 and 32,080.80

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Solution

The fourth proportional to 57,574.32, 79,452.24 and 32,080.80 is: 44,271.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,574.32 : 79,452.24 = 32,080.80 : x
  2. Step 2: Convert to fraction form
    57,574.32/79,452.24 = 32,080.80/x
  3. Step 3: Cross multiply
    57,574.32x = 79,452.24 × 32,080.80
  4. Step 4: Simplify right side
    57,574.32x = 2,548,891,420.99
  5. Step 5: Solve for x
    x = 2,548,891,420.99/57,574.32
  6. Step 6: Final answer
    x = 44,271.32

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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.