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Finding the Fourth Proportional to 21,750.50, 32,624.02 and 6,955.44

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Solution

The fourth proportional to 21,750.50, 32,624.02 and 6,955.44 is: 10,432.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,750.50 : 32,624.02 = 6,955.44 : x
  2. Step 2: Convert to fraction form
    21,750.50/32,624.02 = 6,955.44/x
  3. Step 3: Cross multiply
    21,750.50x = 32,624.02 × 6,955.44
  4. Step 4: Simplify right side
    21,750.50x = 226,914,413.67
  5. Step 5: Solve for x
    x = 226,914,413.67/21,750.50
  6. Step 6: Final answer
    x = 10,432.61

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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.