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Finding the Fourth Proportional to 39,574.80, 54,613.20 and 23,659.20

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Solution

The fourth proportional to 39,574.80, 54,613.20 and 23,659.20 is: 32,649.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,574.80 : 54,613.20 = 23,659.20 : x
  2. Step 2: Convert to fraction form
    39,574.80/54,613.20 = 23,659.20/x
  3. Step 3: Cross multiply
    39,574.80x = 54,613.20 × 23,659.20
  4. Step 4: Simplify right side
    39,574.80x = 1,292,104,621.44
  5. Step 5: Solve for x
    x = 1,292,104,621.44/39,574.80
  6. Step 6: Final answer
    x = 32,649.68

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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.