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Finding the Fourth Proportional to 63,550.89, 87,700.32 and 35,256.60

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Solution

The fourth proportional to 63,550.89, 87,700.32 and 35,256.60 is: 48,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,550.89 : 87,700.32 = 35,256.60 : x
  2. Step 2: Convert to fraction form
    63,550.89/87,700.32 = 35,256.60/x
  3. Step 3: Cross multiply
    63,550.89x = 87,700.32 × 35,256.60
  4. Step 4: Simplify right side
    63,550.89x = 3,092,015,102.11
  5. Step 5: Solve for x
    x = 3,092,015,102.11/63,550.89
  6. Step 6: Final answer
    x = 48,654.16

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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.