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Finding the Fourth Proportional to 63,992.80, 95,989.20 and 22,434.40

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Solution

The fourth proportional to 63,992.80, 95,989.20 and 22,434.40 is: 33,651.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,992.80 : 95,989.20 = 22,434.40 : x
  2. Step 2: Convert to fraction form
    63,992.80/95,989.20 = 22,434.40/x
  3. Step 3: Cross multiply
    63,992.80x = 95,989.20 × 22,434.40
  4. Step 4: Simplify right side
    63,992.80x = 2,153,460,108.48
  5. Step 5: Solve for x
    x = 2,153,460,108.48/63,992.80
  6. Step 6: Final answer
    x = 33,651.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.