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Finding the Fourth Proportional to 63,514.40, 87,650.40 and 35,220.48

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Solution

The fourth proportional to 63,514.40, 87,650.40 and 35,220.48 is: 48,604.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,514.40 : 87,650.40 = 35,220.48 : x
  2. Step 2: Convert to fraction form
    63,514.40/87,650.40 = 35,220.48/x
  3. Step 3: Cross multiply
    63,514.40x = 87,650.40 × 35,220.48
  4. Step 4: Simplify right side
    63,514.40x = 3,087,089,160.19
  5. Step 5: Solve for x
    x = 3,087,089,160.19/63,514.40
  6. Step 6: Final answer
    x = 48,604.56

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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.