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Finding the Fourth Proportional to 70,003.50, 96,601.32 and 39,784.83

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Solution

The fourth proportional to 70,003.50, 96,601.32 and 39,784.83 is: 54,901.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.50 : 96,601.32 = 39,784.83 : x
  2. Step 2: Convert to fraction form
    70,003.50/96,601.32 = 39,784.83/x
  3. Step 3: Cross multiply
    70,003.50x = 96,601.32 × 39,784.83
  4. Step 4: Simplify right side
    70,003.50x = 3,843,267,093.98
  5. Step 5: Solve for x
    x = 3,843,267,093.98/70,003.50
  6. Step 6: Final answer
    x = 54,901.07

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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.