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Finding the Fourth Proportional to 56,613.70, 84,969.15 and 25,072.30

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Solution

The fourth proportional to 56,613.70, 84,969.15 and 25,072.30 is: 37,629.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,613.70 : 84,969.15 = 25,072.30 : x
  2. Step 2: Convert to fraction form
    56,613.70/84,969.15 = 25,072.30/x
  3. Step 3: Cross multiply
    56,613.70x = 84,969.15 × 25,072.30
  4. Step 4: Simplify right side
    56,613.70x = 2,130,372,019.55
  5. Step 5: Solve for x
    x = 2,130,372,019.55/56,613.70
  6. Step 6: Final answer
    x = 37,629.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.