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Finding the Fourth Proportional to 63,612.42, 87,774.90 and 36,758.49

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Solution

The fourth proportional to 63,612.42, 87,774.90 and 36,758.49 is: 50,720.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,612.42 : 87,774.90 = 36,758.49 : x
  2. Step 2: Convert to fraction form
    63,612.42/87,774.90 = 36,758.49/x
  3. Step 3: Cross multiply
    63,612.42x = 87,774.90 × 36,758.49
  4. Step 4: Simplify right side
    63,612.42x = 3,226,472,783.90
  5. Step 5: Solve for x
    x = 3,226,472,783.90/63,612.42
  6. Step 6: Final answer
    x = 50,720.80

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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.