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Finding the Fourth Proportional to 63,702.02, 87,918.94 and 36,860.84

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Solution

The fourth proportional to 63,702.02, 87,918.94 and 36,860.84 is: 50,873.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,702.02 : 87,918.94 = 36,860.84 : x
  2. Step 2: Convert to fraction form
    63,702.02/87,918.94 = 36,860.84/x
  3. Step 3: Cross multiply
    63,702.02x = 87,918.94 × 36,860.84
  4. Step 4: Simplify right side
    63,702.02x = 3,240,765,980.31
  5. Step 5: Solve for x
    x = 3,240,765,980.31/63,702.02
  6. Step 6: Final answer
    x = 50,873.83

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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.