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Finding the Fourth Proportional to 63,670.56, 87,866.40 and 36,819.12

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Solution

The fourth proportional to 63,670.56, 87,866.40 and 36,819.12 is: 50,810.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.56 : 87,866.40 = 36,819.12 : x
  2. Step 2: Convert to fraction form
    63,670.56/87,866.40 = 36,819.12/x
  3. Step 3: Cross multiply
    63,670.56x = 87,866.40 × 36,819.12
  4. Step 4: Simplify right side
    63,670.56x = 3,235,163,525.57
  5. Step 5: Solve for x
    x = 3,235,163,525.57/63,670.56
  6. Step 6: Final answer
    x = 50,810.98

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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.