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Finding the Fourth Proportional to 34,472.99, 51,710.55 and 10,781.40

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Solution

The fourth proportional to 34,472.99, 51,710.55 and 10,781.40 is: 16,172.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,472.99 : 51,710.55 = 10,781.40 : x
  2. Step 2: Convert to fraction form
    34,472.99/51,710.55 = 10,781.40/x
  3. Step 3: Cross multiply
    34,472.99x = 51,710.55 × 10,781.40
  4. Step 4: Simplify right side
    34,472.99x = 557,512,123.77
  5. Step 5: Solve for x
    x = 557,512,123.77/34,472.99
  6. Step 6: Final answer
    x = 16,172.43

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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.