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Finding the Fourth Proportional to 15,597.60, 21,525 and 8,524.32

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Solution

The fourth proportional to 15,597.60, 21,525 and 8,524.32 is: 11,763.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.60 : 21,525 = 8,524.32 : x
  2. Step 2: Convert to fraction form
    15,597.60/21,525 = 8,524.32/x
  3. Step 3: Cross multiply
    15,597.60x = 21,525 × 8,524.32
  4. Step 4: Simplify right side
    15,597.60x = 183,485,988
  5. Step 5: Solve for x
    x = 183,485,988/15,597.60
  6. Step 6: Final answer
    x = 11,763.73

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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.