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Finding the Fourth Proportional to 24,575.87, 33,905.08 and 15,128.03

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Solution

The fourth proportional to 24,575.87, 33,905.08 and 15,128.03 is: 20,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,575.87 : 33,905.08 = 15,128.03 : x
  2. Step 2: Convert to fraction form
    24,575.87/33,905.08 = 15,128.03/x
  3. Step 3: Cross multiply
    24,575.87x = 33,905.08 × 15,128.03
  4. Step 4: Simplify right side
    24,575.87x = 512,917,171.07
  5. Step 5: Solve for x
    x = 512,917,171.07/24,575.87
  6. Step 6: Final answer
    x = 20,870.76

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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.