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Finding the Fourth Proportional to 38,998.02, 58,496.73 and 9,415.74

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Solution

The fourth proportional to 38,998.02, 58,496.73 and 9,415.74 is: 14,123.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,998.02 : 58,496.73 = 9,415.74 : x
  2. Step 2: Convert to fraction form
    38,998.02/58,496.73 = 9,415.74/x
  3. Step 3: Cross multiply
    38,998.02x = 58,496.73 × 9,415.74
  4. Step 4: Simplify right side
    38,998.02x = 550,790,000.53
  5. Step 5: Solve for x
    x = 550,790,000.53/38,998.02
  6. Step 6: Final answer
    x = 14,123.54

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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.