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Finding the Fourth Proportional to 63,649.74, 87,825.06 and 36,782.40

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Solution

The fourth proportional to 63,649.74, 87,825.06 and 36,782.40 is: 50,753.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,649.74 : 87,825.06 = 36,782.40 : x
  2. Step 2: Convert to fraction form
    63,649.74/87,825.06 = 36,782.40/x
  3. Step 3: Cross multiply
    63,649.74x = 87,825.06 × 36,782.40
  4. Step 4: Simplify right side
    63,649.74x = 3,230,416,486.94
  5. Step 5: Solve for x
    x = 3,230,416,486.94/63,649.74
  6. Step 6: Final answer
    x = 50,753.02

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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.