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Finding the Fourth Proportional to 57,480.60, 79,307.70 and 33,613.14

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Solution

The fourth proportional to 57,480.60, 79,307.70 and 33,613.14 is: 46,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,480.60 : 79,307.70 = 33,613.14 : x
  2. Step 2: Convert to fraction form
    57,480.60/79,307.70 = 33,613.14/x
  3. Step 3: Cross multiply
    57,480.60x = 79,307.70 × 33,613.14
  4. Step 4: Simplify right side
    57,480.60x = 2,665,780,823.18
  5. Step 5: Solve for x
    x = 2,665,780,823.18/57,480.60
  6. Step 6: Final answer
    x = 46,377.05

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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.