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Finding the Fourth Proportional to 63,485.64, 87,605.46 and 34,800.71

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Solution

The fourth proportional to 63,485.64, 87,605.46 and 34,800.71 is: 48,022.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,485.64 : 87,605.46 = 34,800.71 : x
  2. Step 2: Convert to fraction form
    63,485.64/87,605.46 = 34,800.71/x
  3. Step 3: Cross multiply
    63,485.64x = 87,605.46 × 34,800.71
  4. Step 4: Simplify right side
    63,485.64x = 3,048,731,769.85
  5. Step 5: Solve for x
    x = 3,048,731,769.85/63,485.64
  6. Step 6: Final answer
    x = 48,022.38

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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.