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Finding the Fourth Proportional to 15,051.14, 20,770.02 and 8,337.06

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Solution

The fourth proportional to 15,051.14, 20,770.02 and 8,337.06 is: 11,504.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,051.14 : 20,770.02 = 8,337.06 : x
  2. Step 2: Convert to fraction form
    15,051.14/20,770.02 = 8,337.06/x
  3. Step 3: Cross multiply
    15,051.14x = 20,770.02 × 8,337.06
  4. Step 4: Simplify right side
    15,051.14x = 173,160,902.94
  5. Step 5: Solve for x
    x = 173,160,902.94/15,051.14
  6. Step 6: Final answer
    x = 11,504.84

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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.