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Finding the Fourth Proportional to 22,698.80, 34,048.80 and 7,116.80

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Solution

The fourth proportional to 22,698.80, 34,048.80 and 7,116.80 is: 10,675.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,698.80 : 34,048.80 = 7,116.80 : x
  2. Step 2: Convert to fraction form
    22,698.80/34,048.80 = 7,116.80/x
  3. Step 3: Cross multiply
    22,698.80x = 34,048.80 × 7,116.80
  4. Step 4: Simplify right side
    22,698.80x = 242,318,499.84
  5. Step 5: Solve for x
    x = 242,318,499.84/22,698.80
  6. Step 6: Final answer
    x = 10,675.39

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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.