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Finding the Fourth Proportional to 83,010.60, 124,515.90 and 27,606.60

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Solution

The fourth proportional to 83,010.60, 124,515.90 and 27,606.60 is: 41,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,010.60 : 124,515.90 = 27,606.60 : x
  2. Step 2: Convert to fraction form
    83,010.60/124,515.90 = 27,606.60/x
  3. Step 3: Cross multiply
    83,010.60x = 124,515.90 × 27,606.60
  4. Step 4: Simplify right side
    83,010.60x = 3,437,460,644.94
  5. Step 5: Solve for x
    x = 3,437,460,644.94/83,010.60
  6. Step 6: Final answer
    x = 41,409.90

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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.