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Finding the Fourth Proportional to 58,683.75, 88,003.52 and 21,234.57

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Solution

The fourth proportional to 58,683.75, 88,003.52 and 21,234.57 is: 31,843.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,683.75 : 88,003.52 = 21,234.57 : x
  2. Step 2: Convert to fraction form
    58,683.75/88,003.52 = 21,234.57/x
  3. Step 3: Cross multiply
    58,683.75x = 88,003.52 × 21,234.57
  4. Step 4: Simplify right side
    58,683.75x = 1,868,716,905.69
  5. Step 5: Solve for x
    x = 1,868,716,905.69/58,683.75
  6. Step 6: Final answer
    x = 31,843.86

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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.