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Finding the Fourth Proportional to 63,999.70, 88,318.82 and 35,319.58

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Solution

The fourth proportional to 63,999.70, 88,318.82 and 35,319.58 is: 48,740.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,999.70 : 88,318.82 = 35,319.58 : x
  2. Step 2: Convert to fraction form
    63,999.70/88,318.82 = 35,319.58/x
  3. Step 3: Cross multiply
    63,999.70x = 88,318.82 × 35,319.58
  4. Step 4: Simplify right side
    63,999.70x = 3,119,383,628.50
  5. Step 5: Solve for x
    x = 3,119,383,628.50/63,999.70
  6. Step 6: Final answer
    x = 48,740.60

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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.