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Finding the Fourth Proportional to 65,942, 98,883.44 and 39,300.56

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Solution

The fourth proportional to 65,942, 98,883.44 and 39,300.56 is: 58,933.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,942 : 98,883.44 = 39,300.56 : x
  2. Step 2: Convert to fraction form
    65,942/98,883.44 = 39,300.56/x
  3. Step 3: Cross multiply
    65,942x = 98,883.44 × 39,300.56
  4. Step 4: Simplify right side
    65,942x = 3,886,174,566.73
  5. Step 5: Solve for x
    x = 3,886,174,566.73/65,942
  6. Step 6: Final answer
    x = 58,933.22

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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.