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Finding the Fourth Proportional to 63,016.60, 94,524.90 and 42,021.40

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Solution

The fourth proportional to 63,016.60, 94,524.90 and 42,021.40 is: 63,032.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,016.60 : 94,524.90 = 42,021.40 : x
  2. Step 2: Convert to fraction form
    63,016.60/94,524.90 = 42,021.40/x
  3. Step 3: Cross multiply
    63,016.60x = 94,524.90 × 42,021.40
  4. Step 4: Simplify right side
    63,016.60x = 3,972,068,632.86
  5. Step 5: Solve for x
    x = 3,972,068,632.86/63,016.60
  6. Step 6: Final answer
    x = 63,032.10

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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.