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Finding the Fourth Proportional to 74,573.07, 102,910.80 and 41,039.07

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Solution

The fourth proportional to 74,573.07, 102,910.80 and 41,039.07 is: 56,633.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,573.07 : 102,910.80 = 41,039.07 : x
  2. Step 2: Convert to fraction form
    74,573.07/102,910.80 = 41,039.07/x
  3. Step 3: Cross multiply
    74,573.07x = 102,910.80 × 41,039.07
  4. Step 4: Simplify right side
    74,573.07x = 4,223,363,524.96
  5. Step 5: Solve for x
    x = 4,223,363,524.96/74,573.07
  6. Step 6: Final answer
    x = 56,633.90

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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.