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Finding the Fourth Proportional to 32,653.86, 48,989.70 and 9,280.50

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Solution

The fourth proportional to 32,653.86, 48,989.70 and 9,280.50 is: 13,923.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,653.86 : 48,989.70 = 9,280.50 : x
  2. Step 2: Convert to fraction form
    32,653.86/48,989.70 = 9,280.50/x
  3. Step 3: Cross multiply
    32,653.86x = 48,989.70 × 9,280.50
  4. Step 4: Simplify right side
    32,653.86x = 454,648,910.85
  5. Step 5: Solve for x
    x = 454,648,910.85/32,653.86
  6. Step 6: Final answer
    x = 13,923.28

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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.