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Finding the Fourth Proportional to 15,597.54, 21,526.09 and 8,525.03

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Solution

The fourth proportional to 15,597.54, 21,526.09 and 8,525.03 is: 11,765.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.54 : 21,526.09 = 8,525.03 : x
  2. Step 2: Convert to fraction form
    15,597.54/21,526.09 = 8,525.03/x
  3. Step 3: Cross multiply
    15,597.54x = 21,526.09 × 8,525.03
  4. Step 4: Simplify right side
    15,597.54x = 183,510,434.09
  5. Step 5: Solve for x
    x = 183,510,434.09/15,597.54
  6. Step 6: Final answer
    x = 11,765.34

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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.