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Finding the Fourth Proportional to 32,236.40, 48,409.12 and 21,010.80

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Solution

The fourth proportional to 32,236.40, 48,409.12 and 21,010.80 is: 31,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,236.40 : 48,409.12 = 21,010.80 : x
  2. Step 2: Convert to fraction form
    32,236.40/48,409.12 = 21,010.80/x
  3. Step 3: Cross multiply
    32,236.40x = 48,409.12 × 21,010.80
  4. Step 4: Simplify right side
    32,236.40x = 1,017,114,338.50
  5. Step 5: Solve for x
    x = 1,017,114,338.50/32,236.40
  6. Step 6: Final answer
    x = 31,551.73

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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.