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Finding the Fourth Proportional to 63,022.50, 86,972.88 and 34,730.01

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Solution

The fourth proportional to 63,022.50, 86,972.88 and 34,730.01 is: 47,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,022.50 : 86,972.88 = 34,730.01 : x
  2. Step 2: Convert to fraction form
    63,022.50/86,972.88 = 34,730.01/x
  3. Step 3: Cross multiply
    63,022.50x = 86,972.88 × 34,730.01
  4. Step 4: Simplify right side
    63,022.50x = 3,020,568,992.13
  5. Step 5: Solve for x
    x = 3,020,568,992.13/63,022.50
  6. Step 6: Final answer
    x = 47,928.42

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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.