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Finding the Fourth Proportional to 34,340.40, 51,472.20 and 19,556.40

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Solution

The fourth proportional to 34,340.40, 51,472.20 and 19,556.40 is: 29,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,340.40 : 51,472.20 = 19,556.40 : x
  2. Step 2: Convert to fraction form
    34,340.40/51,472.20 = 19,556.40/x
  3. Step 3: Cross multiply
    34,340.40x = 51,472.20 × 19,556.40
  4. Step 4: Simplify right side
    34,340.40x = 1,006,610,932.08
  5. Step 5: Solve for x
    x = 1,006,610,932.08/34,340.40
  6. Step 6: Final answer
    x = 29,312.73

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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.