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Finding the Fourth Proportional to 73,064.70, 100,830.62 and 41,227.45

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Solution

The fourth proportional to 73,064.70, 100,830.62 and 41,227.45 is: 56,894.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,064.70 : 100,830.62 = 41,227.45 : x
  2. Step 2: Convert to fraction form
    73,064.70/100,830.62 = 41,227.45/x
  3. Step 3: Cross multiply
    73,064.70x = 100,830.62 × 41,227.45
  4. Step 4: Simplify right side
    73,064.70x = 4,156,989,195.51
  5. Step 5: Solve for x
    x = 4,156,989,195.51/73,064.70
  6. Step 6: Final answer
    x = 56,894.63

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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.