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Finding the Fourth Proportional to 54,613.70, 75,390.14 and 36,719.08

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Solution

The fourth proportional to 54,613.70, 75,390.14 and 36,719.08 is: 50,687.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,613.70 : 75,390.14 = 36,719.08 : x
  2. Step 2: Convert to fraction form
    54,613.70/75,390.14 = 36,719.08/x
  3. Step 3: Cross multiply
    54,613.70x = 75,390.14 × 36,719.08
  4. Step 4: Simplify right side
    54,613.70x = 2,768,256,630.21
  5. Step 5: Solve for x
    x = 2,768,256,630.21/54,613.70
  6. Step 6: Final answer
    x = 50,687.95

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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.