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Finding the Fourth Proportional to 16,912.46, 25,368.86 and 7,552.95

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Solution

The fourth proportional to 16,912.46, 25,368.86 and 7,552.95 is: 11,329.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,912.46 : 25,368.86 = 7,552.95 : x
  2. Step 2: Convert to fraction form
    16,912.46/25,368.86 = 7,552.95/x
  3. Step 3: Cross multiply
    16,912.46x = 25,368.86 × 7,552.95
  4. Step 4: Simplify right side
    16,912.46x = 191,609,731.14
  5. Step 5: Solve for x
    x = 191,609,731.14/16,912.46
  6. Step 6: Final answer
    x = 11,329.50

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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.