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Finding the Fourth Proportional to 34,354.73, 47,409.71 and 19,247.42

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Solution

The fourth proportional to 34,354.73, 47,409.71 and 19,247.42 is: 26,561.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,354.73 : 47,409.71 = 19,247.42 : x
  2. Step 2: Convert to fraction form
    34,354.73/47,409.71 = 19,247.42/x
  3. Step 3: Cross multiply
    34,354.73x = 47,409.71 × 19,247.42
  4. Step 4: Simplify right side
    34,354.73x = 912,514,622.74
  5. Step 5: Solve for x
    x = 912,514,622.74/34,354.73
  6. Step 6: Final answer
    x = 26,561.54

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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.