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Finding the Fourth Proportional to 63,745.92, 87,972.48 and 35,451

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Solution

The fourth proportional to 63,745.92, 87,972.48 and 35,451 is: 48,924.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,745.92 : 87,972.48 = 35,451 : x
  2. Step 2: Convert to fraction form
    63,745.92/87,972.48 = 35,451/x
  3. Step 3: Cross multiply
    63,745.92x = 87,972.48 × 35,451
  4. Step 4: Simplify right side
    63,745.92x = 3,118,712,388.48
  5. Step 5: Solve for x
    x = 3,118,712,388.48/63,745.92
  6. Step 6: Final answer
    x = 48,924.11

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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.