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Finding the Fourth Proportional to 32,921.50, 49,382.25 and 8,297.50

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Solution

The fourth proportional to 32,921.50, 49,382.25 and 8,297.50 is: 12,446.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,921.50 : 49,382.25 = 8,297.50 : x
  2. Step 2: Convert to fraction form
    32,921.50/49,382.25 = 8,297.50/x
  3. Step 3: Cross multiply
    32,921.50x = 49,382.25 × 8,297.50
  4. Step 4: Simplify right side
    32,921.50x = 409,749,219.38
  5. Step 5: Solve for x
    x = 409,749,219.38/32,921.50
  6. Step 6: Final answer
    x = 12,446.25

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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.