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Finding the Fourth Proportional to 34,281.80, 51,426.48 and 10,902.80

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Solution

The fourth proportional to 34,281.80, 51,426.48 and 10,902.80 is: 16,355.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,281.80 : 51,426.48 = 10,902.80 : x
  2. Step 2: Convert to fraction form
    34,281.80/51,426.48 = 10,902.80/x
  3. Step 3: Cross multiply
    34,281.80x = 51,426.48 × 10,902.80
  4. Step 4: Simplify right side
    34,281.80x = 560,692,626.14
  5. Step 5: Solve for x
    x = 560,692,626.14/34,281.80
  6. Step 6: Final answer
    x = 16,355.40

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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.