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Finding the Fourth Proportional to 63,677.37, 87,786.95 and 50,800.34

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Solution

The fourth proportional to 63,677.37, 87,786.95 and 50,800.34 is: 70,034.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,677.37 : 87,786.95 = 50,800.34 : x
  2. Step 2: Convert to fraction form
    63,677.37/87,786.95 = 50,800.34/x
  3. Step 3: Cross multiply
    63,677.37x = 87,786.95 × 50,800.34
  4. Step 4: Simplify right side
    63,677.37x = 4,459,606,214.63
  5. Step 5: Solve for x
    x = 4,459,606,214.63/63,677.37
  6. Step 6: Final answer
    x = 70,034.40

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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.