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Finding the Fourth Proportional to 16,528.50, 22,809.33 and 9,076.50

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Solution

The fourth proportional to 16,528.50, 22,809.33 and 9,076.50 is: 12,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,528.50 : 22,809.33 = 9,076.50 : x
  2. Step 2: Convert to fraction form
    16,528.50/22,809.33 = 9,076.50/x
  3. Step 3: Cross multiply
    16,528.50x = 22,809.33 × 9,076.50
  4. Step 4: Simplify right side
    16,528.50x = 207,028,883.75
  5. Step 5: Solve for x
    x = 207,028,883.75/16,528.50
  6. Step 6: Final answer
    x = 12,525.57

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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.