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Finding the Fourth Proportional to 70,003.79, 96,603.15 and 39,792.41

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Solution

The fourth proportional to 70,003.79, 96,603.15 and 39,792.41 is: 54,912.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.79 : 96,603.15 = 39,792.41 : x
  2. Step 2: Convert to fraction form
    70,003.79/96,603.15 = 39,792.41/x
  3. Step 3: Cross multiply
    70,003.79x = 96,603.15 × 39,792.41
  4. Step 4: Simplify right side
    70,003.79x = 3,844,072,152.09
  5. Step 5: Solve for x
    x = 3,844,072,152.09/70,003.79
  6. Step 6: Final answer
    x = 54,912.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.