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Finding the Fourth Proportional to 63,635.51, 87,811.88 and 36,779.76

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Solution

The fourth proportional to 63,635.51, 87,811.88 and 36,779.76 is: 50,753.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,635.51 : 87,811.88 = 36,779.76 : x
  2. Step 2: Convert to fraction form
    63,635.51/87,811.88 = 36,779.76/x
  3. Step 3: Cross multiply
    63,635.51x = 87,811.88 × 36,779.76
  4. Step 4: Simplify right side
    63,635.51x = 3,229,699,652.02
  5. Step 5: Solve for x
    x = 3,229,699,652.02/63,635.51
  6. Step 6: Final answer
    x = 50,753.10

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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.