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Finding the Fourth Proportional to 63,663.98, 87,858.74 and 34,984.85

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Solution

The fourth proportional to 63,663.98, 87,858.74 and 34,984.85 is: 48,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,663.98 : 87,858.74 = 34,984.85 : x
  2. Step 2: Convert to fraction form
    63,663.98/87,858.74 = 34,984.85/x
  3. Step 3: Cross multiply
    63,663.98x = 87,858.74 × 34,984.85
  4. Step 4: Simplify right side
    63,663.98x = 3,073,724,840.09
  5. Step 5: Solve for x
    x = 3,073,724,840.09/63,663.98
  6. Step 6: Final answer
    x = 48,280.44

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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.