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Finding the Fourth Proportional to 23,915.81, 35,799.87 and 15,577.87

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Solution

The fourth proportional to 23,915.81, 35,799.87 and 15,577.87 is: 23,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,915.81 : 35,799.87 = 15,577.87 : x
  2. Step 2: Convert to fraction form
    23,915.81/35,799.87 = 15,577.87/x
  3. Step 3: Cross multiply
    23,915.81x = 35,799.87 × 15,577.87
  4. Step 4: Simplify right side
    23,915.81x = 557,685,756.92
  5. Step 5: Solve for x
    x = 557,685,756.92/23,915.81
  6. Step 6: Final answer
    x = 23,318.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.