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Finding the Fourth Proportional to 63,441, 95,157.90 and 19,066.86

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Solution

The fourth proportional to 63,441, 95,157.90 and 19,066.86 is: 28,599.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,441 : 95,157.90 = 19,066.86 : x
  2. Step 2: Convert to fraction form
    63,441/95,157.90 = 19,066.86/x
  3. Step 3: Cross multiply
    63,441x = 95,157.90 × 19,066.86
  4. Step 4: Simplify right side
    63,441x = 1,814,362,357.19
  5. Step 5: Solve for x
    x = 1,814,362,357.19/63,441
  6. Step 6: Final answer
    x = 28,599.21

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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.