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Finding the Fourth Proportional to 16,632.70, 24,928.80 and 7,252.90

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Solution

The fourth proportional to 16,632.70, 24,928.80 and 7,252.90 is: 10,870.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,632.70 : 24,928.80 = 7,252.90 : x
  2. Step 2: Convert to fraction form
    16,632.70/24,928.80 = 7,252.90/x
  3. Step 3: Cross multiply
    16,632.70x = 24,928.80 × 7,252.90
  4. Step 4: Simplify right side
    16,632.70x = 180,806,093.52
  5. Step 5: Solve for x
    x = 180,806,093.52/16,632.70
  6. Step 6: Final answer
    x = 10,870.52

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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.