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Finding the Fourth Proportional to 32,010.49, 48,009.93 and 8,631.46

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Solution

The fourth proportional to 32,010.49, 48,009.93 and 8,631.46 is: 12,945.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,010.49 : 48,009.93 = 8,631.46 : x
  2. Step 2: Convert to fraction form
    32,010.49/48,009.93 = 8,631.46/x
  3. Step 3: Cross multiply
    32,010.49x = 48,009.93 × 8,631.46
  4. Step 4: Simplify right side
    32,010.49x = 414,395,790.40
  5. Step 5: Solve for x
    x = 414,395,790.40/32,010.49
  6. Step 6: Final answer
    x = 12,945.62

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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.