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Finding the Fourth Proportional to 32,364.86, 48,549.93 and 8,991.30

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Solution

The fourth proportional to 32,364.86, 48,549.93 and 8,991.30 is: 13,487.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,364.86 : 48,549.93 = 8,991.30 : x
  2. Step 2: Convert to fraction form
    32,364.86/48,549.93 = 8,991.30/x
  3. Step 3: Cross multiply
    32,364.86x = 48,549.93 × 8,991.30
  4. Step 4: Simplify right side
    32,364.86x = 436,526,940.65
  5. Step 5: Solve for x
    x = 436,526,940.65/32,364.86
  6. Step 6: Final answer
    x = 13,487.68

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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.