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Finding the Fourth Proportional to 72,673.00, 100,297.04 and 40,410.83

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Solution

The fourth proportional to 72,673.00, 100,297.04 and 40,410.83 is: 55,771.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,673.00 : 100,297.04 = 40,410.83 : x
  2. Step 2: Convert to fraction form
    72,673.00/100,297.04 = 40,410.83/x
  3. Step 3: Cross multiply
    72,673.00x = 100,297.04 × 40,410.83
  4. Step 4: Simplify right side
    72,673.00x = 4,053,086,681.63
  5. Step 5: Solve for x
    x = 4,053,086,681.63/72,673.00
  6. Step 6: Final answer
    x = 55,771.56

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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.