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Finding the Fourth Proportional to 60,649.92, 83,703.60 and 36,777.60

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Solution

The fourth proportional to 60,649.92, 83,703.60 and 36,777.60 is: 50,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,649.92 : 83,703.60 = 36,777.60 : x
  2. Step 2: Convert to fraction form
    60,649.92/83,703.60 = 36,777.60/x
  3. Step 3: Cross multiply
    60,649.92x = 83,703.60 × 36,777.60
  4. Step 4: Simplify right side
    60,649.92x = 3,078,417,519.36
  5. Step 5: Solve for x
    x = 3,078,417,519.36/60,649.92
  6. Step 6: Final answer
    x = 50,757.16

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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.