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Finding the Fourth Proportional to 72,476.94, 100,029.11 and 44,199.03

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Solution

The fourth proportional to 72,476.94, 100,029.11 and 44,199.03 is: 61,001.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,476.94 : 100,029.11 = 44,199.03 : x
  2. Step 2: Convert to fraction form
    72,476.94/100,029.11 = 44,199.03/x
  3. Step 3: Cross multiply
    72,476.94x = 100,029.11 × 44,199.03
  4. Step 4: Simplify right side
    72,476.94x = 4,421,189,633.76
  5. Step 5: Solve for x
    x = 4,421,189,633.76/72,476.94
  6. Step 6: Final answer
    x = 61,001.33

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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.