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Finding the Fourth Proportional to 22,004.76, 30,356.72 and 13,052.64

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Solution

The fourth proportional to 22,004.76, 30,356.72 and 13,052.64 is: 18,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.76 : 30,356.72 = 13,052.64 : x
  2. Step 2: Convert to fraction form
    22,004.76/30,356.72 = 13,052.64/x
  3. Step 3: Cross multiply
    22,004.76x = 30,356.72 × 13,052.64
  4. Step 4: Simplify right side
    22,004.76x = 396,235,337.74
  5. Step 5: Solve for x
    x = 396,235,337.74/22,004.76
  6. Step 6: Final answer
    x = 18,006.80

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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.