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Finding the Fourth Proportional to 15,597.77, 21,523.93 and 8,883.27

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Solution

The fourth proportional to 15,597.77, 21,523.93 and 8,883.27 is: 12,258.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,597.77 : 21,523.93 = 8,883.27 : x
  2. Step 2: Convert to fraction form
    15,597.77/21,523.93 = 8,883.27/x
  3. Step 3: Cross multiply
    15,597.77x = 21,523.93 × 8,883.27
  4. Step 4: Simplify right side
    15,597.77x = 191,202,859.44
  5. Step 5: Solve for x
    x = 191,202,859.44/15,597.77
  6. Step 6: Final answer
    x = 12,258.35

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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.