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Finding the Fourth Proportional to 15,915.23, 24,022.40 and 15,915.23

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Solution

The fourth proportional to 15,915.23, 24,022.40 and 15,915.23 is: 24,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,915.23 : 24,022.40 = 15,915.23 : x
  2. Step 2: Convert to fraction form
    15,915.23/24,022.40 = 15,915.23/x
  3. Step 3: Cross multiply
    15,915.23x = 24,022.40 × 15,915.23
  4. Step 4: Simplify right side
    15,915.23x = 382,322,021.15
  5. Step 5: Solve for x
    x = 382,322,021.15/15,915.23
  6. Step 6: Final answer
    x = 24,022.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.