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Finding the Fourth Proportional to 32,905.50, 49,358.25 and 8,281.50

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Solution

The fourth proportional to 32,905.50, 49,358.25 and 8,281.50 is: 12,422.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,905.50 : 49,358.25 = 8,281.50 : x
  2. Step 2: Convert to fraction form
    32,905.50/49,358.25 = 8,281.50/x
  3. Step 3: Cross multiply
    32,905.50x = 49,358.25 × 8,281.50
  4. Step 4: Simplify right side
    32,905.50x = 408,760,347.38
  5. Step 5: Solve for x
    x = 408,760,347.38/32,905.50
  6. Step 6: Final answer
    x = 12,422.25

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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.