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Finding the Fourth Proportional to 15,597.92, 21,526.61 and 8,525.40

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Solution

The fourth proportional to 15,597.92, 21,526.61 and 8,525.40 is: 11,765.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.92 : 21,526.61 = 8,525.40 : x
  2. Step 2: Convert to fraction form
    15,597.92/21,526.61 = 8,525.40/x
  3. Step 3: Cross multiply
    15,597.92x = 21,526.61 × 8,525.40
  4. Step 4: Simplify right side
    15,597.92x = 183,522,918.27
  5. Step 5: Solve for x
    x = 183,522,918.27/15,597.92
  6. Step 6: Final answer
    x = 11,765.86

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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.