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Finding the Fourth Proportional to 48,295.50, 72,435.45 and 13,226.94

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Solution

The fourth proportional to 48,295.50, 72,435.45 and 13,226.94 is: 19,838.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,295.50 : 72,435.45 = 13,226.94 : x
  2. Step 2: Convert to fraction form
    48,295.50/72,435.45 = 13,226.94/x
  3. Step 3: Cross multiply
    48,295.50x = 72,435.45 × 13,226.94
  4. Step 4: Simplify right side
    48,295.50x = 958,099,351.02
  5. Step 5: Solve for x
    x = 958,099,351.02/48,295.50
  6. Step 6: Final answer
    x = 19,838.27

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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.