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Finding the Fourth Proportional to 53,191.98, 79,633.41 and 30,937.50

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Solution

The fourth proportional to 53,191.98, 79,633.41 and 30,937.50 is: 46,316.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.98 : 79,633.41 = 30,937.50 : x
  2. Step 2: Convert to fraction form
    53,191.98/79,633.41 = 30,937.50/x
  3. Step 3: Cross multiply
    53,191.98x = 79,633.41 × 30,937.50
  4. Step 4: Simplify right side
    53,191.98x = 2,463,658,621.88
  5. Step 5: Solve for x
    x = 2,463,658,621.88/53,191.98
  6. Step 6: Final answer
    x = 46,316.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.