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Finding the Fourth Proportional to 73,410.06, 101,305.98 and 39,876.06

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Solution

The fourth proportional to 73,410.06, 101,305.98 and 39,876.06 is: 55,029.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,410.06 : 101,305.98 = 39,876.06 : x
  2. Step 2: Convert to fraction form
    73,410.06/101,305.98 = 39,876.06/x
  3. Step 3: Cross multiply
    73,410.06x = 101,305.98 × 39,876.06
  4. Step 4: Simplify right side
    73,410.06x = 4,039,683,336.84
  5. Step 5: Solve for x
    x = 4,039,683,336.84/73,410.06
  6. Step 6: Final answer
    x = 55,029.02

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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.