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Finding the Fourth Proportional to 22,052.79, 30,415.25 and 14,506.89

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Solution

The fourth proportional to 22,052.79, 30,415.25 and 14,506.89 is: 20,007.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,052.79 : 30,415.25 = 14,506.89 : x
  2. Step 2: Convert to fraction form
    22,052.79/30,415.25 = 14,506.89/x
  3. Step 3: Cross multiply
    22,052.79x = 30,415.25 × 14,506.89
  4. Step 4: Simplify right side
    22,052.79x = 441,230,613.54
  5. Step 5: Solve for x
    x = 441,230,613.54/22,052.79
  6. Step 6: Final answer
    x = 20,007.93

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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.