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Finding the Fourth Proportional to 62,381.88, 93,573.62 and 20,828.88

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Solution

The fourth proportional to 62,381.88, 93,573.62 and 20,828.88 is: 31,243.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,381.88 : 93,573.62 = 20,828.88 : x
  2. Step 2: Convert to fraction form
    62,381.88/93,573.62 = 20,828.88/x
  3. Step 3: Cross multiply
    62,381.88x = 93,573.62 × 20,828.88
  4. Step 4: Simplify right side
    62,381.88x = 1,949,033,702.15
  5. Step 5: Solve for x
    x = 1,949,033,702.15/62,381.88
  6. Step 6: Final answer
    x = 31,243.59

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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.