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Finding the Fourth Proportional to 63,218.36, 87,243.84 and 36,360.84

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Solution

The fourth proportional to 63,218.36, 87,243.84 and 36,360.84 is: 50,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,218.36 : 87,243.84 = 36,360.84 : x
  2. Step 2: Convert to fraction form
    63,218.36/87,243.84 = 36,360.84/x
  3. Step 3: Cross multiply
    63,218.36x = 87,243.84 × 36,360.84
  4. Step 4: Simplify right side
    63,218.36x = 3,172,259,307.23
  5. Step 5: Solve for x
    x = 3,172,259,307.23/63,218.36
  6. Step 6: Final answer
    x = 50,179.40

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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.