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Finding the Fourth Proportional to 34,596.48, 47,743.14 and 19,489.20

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Solution

The fourth proportional to 34,596.48, 47,743.14 and 19,489.20 is: 26,895.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,596.48 : 47,743.14 = 19,489.20 : x
  2. Step 2: Convert to fraction form
    34,596.48/47,743.14 = 19,489.20/x
  3. Step 3: Cross multiply
    34,596.48x = 47,743.14 × 19,489.20
  4. Step 4: Simplify right side
    34,596.48x = 930,475,604.09
  5. Step 5: Solve for x
    x = 930,475,604.09/34,596.48
  6. Step 6: Final answer
    x = 26,895.09

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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.