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Finding the Fourth Proportional to 24,880.72, 34,309.02 and 15,928.60

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Solution

The fourth proportional to 24,880.72, 34,309.02 and 15,928.60 is: 21,964.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,880.72 : 34,309.02 = 15,928.60 : x
  2. Step 2: Convert to fraction form
    24,880.72/34,309.02 = 15,928.60/x
  3. Step 3: Cross multiply
    24,880.72x = 34,309.02 × 15,928.60
  4. Step 4: Simplify right side
    24,880.72x = 546,494,655.97
  5. Step 5: Solve for x
    x = 546,494,655.97/24,880.72
  6. Step 6: Final answer
    x = 21,964.58

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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.