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Finding the Fourth Proportional to 65,597.58, 90,501.93 and 36,911.43

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Solution

The fourth proportional to 65,597.58, 90,501.93 and 36,911.43 is: 50,924.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,597.58 : 90,501.93 = 36,911.43 : x
  2. Step 2: Convert to fraction form
    65,597.58/90,501.93 = 36,911.43/x
  3. Step 3: Cross multiply
    65,597.58x = 90,501.93 × 36,911.43
  4. Step 4: Simplify right side
    65,597.58x = 3,340,555,654.06
  5. Step 5: Solve for x
    x = 3,340,555,654.06/65,597.58
  6. Step 6: Final answer
    x = 50,924.98

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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.