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Finding the Fourth Proportional to 55,863.84, 83,777.98 and 18,416.93

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Solution

The fourth proportional to 55,863.84, 83,777.98 and 18,416.93 is: 27,619.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,863.84 : 83,777.98 = 18,416.93 : x
  2. Step 2: Convert to fraction form
    55,863.84/83,777.98 = 18,416.93/x
  3. Step 3: Cross multiply
    55,863.84x = 83,777.98 × 18,416.93
  4. Step 4: Simplify right side
    55,863.84x = 1,542,933,193.20
  5. Step 5: Solve for x
    x = 1,542,933,193.20/55,863.84
  6. Step 6: Final answer
    x = 27,619.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.