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Finding the Fourth Proportional to 63,403.75, 87,499.82 and 35,109.45

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Solution

The fourth proportional to 63,403.75, 87,499.82 and 35,109.45 is: 48,452.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,403.75 : 87,499.82 = 35,109.45 : x
  2. Step 2: Convert to fraction form
    63,403.75/87,499.82 = 35,109.45/x
  3. Step 3: Cross multiply
    63,403.75x = 87,499.82 × 35,109.45
  4. Step 4: Simplify right side
    63,403.75x = 3,072,070,555.30
  5. Step 5: Solve for x
    x = 3,072,070,555.30/63,403.75
  6. Step 6: Final answer
    x = 48,452.51

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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.