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Finding the Fourth Proportional to 63,612.38, 87,778.58 and 36,763.58

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Solution

The fourth proportional to 63,612.38, 87,778.58 and 36,763.58 is: 50,729.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,612.38 : 87,778.58 = 36,763.58 : x
  2. Step 2: Convert to fraction form
    63,612.38/87,778.58 = 36,763.58/x
  3. Step 3: Cross multiply
    63,612.38x = 87,778.58 × 36,763.58
  4. Step 4: Simplify right side
    63,612.38x = 3,227,054,848.12
  5. Step 5: Solve for x
    x = 3,227,054,848.12/63,612.38
  6. Step 6: Final answer
    x = 50,729.98

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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.