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Finding the Fourth Proportional to 62,084.25, 93,153.78 and 20,531.25

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Solution

The fourth proportional to 62,084.25, 93,153.78 and 20,531.25 is: 30,805.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,084.25 : 93,153.78 = 20,531.25 : x
  2. Step 2: Convert to fraction form
    62,084.25/93,153.78 = 20,531.25/x
  3. Step 3: Cross multiply
    62,084.25x = 93,153.78 × 20,531.25
  4. Step 4: Simplify right side
    62,084.25x = 1,912,563,545.63
  5. Step 5: Solve for x
    x = 1,912,563,545.63/62,084.25
  6. Step 6: Final answer
    x = 30,805.94

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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.