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Finding the Fourth Proportional to 15,593.80, 21,525.60 and 9,627.88

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Solution

The fourth proportional to 15,593.80, 21,525.60 and 9,627.88 is: 13,290.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,593.80 : 21,525.60 = 9,627.88 : x
  2. Step 2: Convert to fraction form
    15,593.80/21,525.60 = 9,627.88/x
  3. Step 3: Cross multiply
    15,593.80x = 21,525.60 × 9,627.88
  4. Step 4: Simplify right side
    15,593.80x = 207,245,893.73
  5. Step 5: Solve for x
    x = 207,245,893.73/15,593.80
  6. Step 6: Final answer
    x = 13,290.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.