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Finding the Fourth Proportional to 63,924.85, 95,918.93 and 47,016.15

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Solution

The fourth proportional to 63,924.85, 95,918.93 and 47,016.15 is: 70,547.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,924.85 : 95,918.93 = 47,016.15 : x
  2. Step 2: Convert to fraction form
    63,924.85/95,918.93 = 47,016.15/x
  3. Step 3: Cross multiply
    63,924.85x = 95,918.93 × 47,016.15
  4. Step 4: Simplify right side
    63,924.85x = 4,509,738,800.72
  5. Step 5: Solve for x
    x = 4,509,738,800.72/63,924.85
  6. Step 6: Final answer
    x = 70,547.51

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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.