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Finding the Fourth Proportional to 73,612.84, 101,582.20 and 41,777.40

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Solution

The fourth proportional to 73,612.84, 101,582.20 and 41,777.40 is: 57,650.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,612.84 : 101,582.20 = 41,777.40 : x
  2. Step 2: Convert to fraction form
    73,612.84/101,582.20 = 41,777.40/x
  3. Step 3: Cross multiply
    73,612.84x = 101,582.20 × 41,777.40
  4. Step 4: Simplify right side
    73,612.84x = 4,243,840,202.28
  5. Step 5: Solve for x
    x = 4,243,840,202.28/73,612.84
  6. Step 6: Final answer
    x = 57,650.81

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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.