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Finding the Fourth Proportional to 15,385.46, 23,087.91 and 8,824.46

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Solution

The fourth proportional to 15,385.46, 23,087.91 and 8,824.46 is: 13,242.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,385.46 : 23,087.91 = 8,824.46 : x
  2. Step 2: Convert to fraction form
    15,385.46/23,087.91 = 8,824.46/x
  3. Step 3: Cross multiply
    15,385.46x = 23,087.91 × 8,824.46
  4. Step 4: Simplify right side
    15,385.46x = 203,738,222.84
  5. Step 5: Solve for x
    x = 203,738,222.84/15,385.46
  6. Step 6: Final answer
    x = 13,242.26

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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.