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Finding the Fourth Proportional to 65,998.40, 99,046.20 and 26,583.80

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Solution

The fourth proportional to 65,998.40, 99,046.20 and 26,583.80 is: 39,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,998.40 : 99,046.20 = 26,583.80 : x
  2. Step 2: Convert to fraction form
    65,998.40/99,046.20 = 26,583.80/x
  3. Step 3: Cross multiply
    65,998.40x = 99,046.20 × 26,583.80
  4. Step 4: Simplify right side
    65,998.40x = 2,633,024,371.56
  5. Step 5: Solve for x
    x = 2,633,024,371.56/65,998.40
  6. Step 6: Final answer
    x = 39,895.28

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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.