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Finding the Fourth Proportional to 15,202.80, 22,798.80 and 10,522.80

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Solution

The fourth proportional to 15,202.80, 22,798.80 and 10,522.80 is: 15,780.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,202.80 : 22,798.80 = 10,522.80 : x
  2. Step 2: Convert to fraction form
    15,202.80/22,798.80 = 10,522.80/x
  3. Step 3: Cross multiply
    15,202.80x = 22,798.80 × 10,522.80
  4. Step 4: Simplify right side
    15,202.80x = 239,907,212.64
  5. Step 5: Solve for x
    x = 239,907,212.64/15,202.80
  6. Step 6: Final answer
    x = 15,780.46

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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.