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Finding the Fourth Proportional to 57,514.56, 79,344.51 and 33,630.71

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Solution

The fourth proportional to 57,514.56, 79,344.51 and 33,630.71 is: 46,395.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,514.56 : 79,344.51 = 33,630.71 : x
  2. Step 2: Convert to fraction form
    57,514.56/79,344.51 = 33,630.71/x
  3. Step 3: Cross multiply
    57,514.56x = 79,344.51 × 33,630.71
  4. Step 4: Simplify right side
    57,514.56x = 2,668,411,809.18
  5. Step 5: Solve for x
    x = 2,668,411,809.18/57,514.56
  6. Step 6: Final answer
    x = 46,395.41

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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.