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Finding the Fourth Proportional to 14,532.92, 21,808.95 and 7,963.72

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Solution

The fourth proportional to 14,532.92, 21,808.95 and 7,963.72 is: 11,950.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,532.92 : 21,808.95 = 7,963.72 : x
  2. Step 2: Convert to fraction form
    14,532.92/21,808.95 = 7,963.72/x
  3. Step 3: Cross multiply
    14,532.92x = 21,808.95 × 7,963.72
  4. Step 4: Simplify right side
    14,532.92x = 173,680,371.29
  5. Step 5: Solve for x
    x = 173,680,371.29/14,532.92
  6. Step 6: Final answer
    x = 11,950.82

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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.