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Finding the Fourth Proportional to 34,136.80, 51,206.80 and 10,765.04

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Solution

The fourth proportional to 34,136.80, 51,206.80 and 10,765.04 is: 16,148.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,136.80 : 51,206.80 = 10,765.04 : x
  2. Step 2: Convert to fraction form
    34,136.80/51,206.80 = 10,765.04/x
  3. Step 3: Cross multiply
    34,136.80x = 51,206.80 × 10,765.04
  4. Step 4: Simplify right side
    34,136.80x = 551,243,250.27
  5. Step 5: Solve for x
    x = 551,243,250.27/34,136.80
  6. Step 6: Final answer
    x = 16,148.06

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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.