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Finding the Fourth Proportional to 32,280.96, 48,422.40 and 13,800.96

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Solution

The fourth proportional to 32,280.96, 48,422.40 and 13,800.96 is: 20,701.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,280.96 : 48,422.40 = 13,800.96 : x
  2. Step 2: Convert to fraction form
    32,280.96/48,422.40 = 13,800.96/x
  3. Step 3: Cross multiply
    32,280.96x = 48,422.40 × 13,800.96
  4. Step 4: Simplify right side
    32,280.96x = 668,275,605.50
  5. Step 5: Solve for x
    x = 668,275,605.50/32,280.96
  6. Step 6: Final answer
    x = 20,701.85

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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.