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Finding the Fourth Proportional to 26,394.80, 39,613.80 and 25,530.80

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Solution

The fourth proportional to 26,394.80, 39,613.80 and 25,530.80 is: 38,317.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,394.80 : 39,613.80 = 25,530.80 : x
  2. Step 2: Convert to fraction form
    26,394.80/39,613.80 = 25,530.80/x
  3. Step 3: Cross multiply
    26,394.80x = 39,613.80 × 25,530.80
  4. Step 4: Simplify right side
    26,394.80x = 1,011,372,005.04
  5. Step 5: Solve for x
    x = 1,011,372,005.04/26,394.80
  6. Step 6: Final answer
    x = 38,317.09

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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.