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Finding the Fourth Proportional to 65,924.55, 90,973.80 and 37,245.42

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Solution

The fourth proportional to 65,924.55, 90,973.80 and 37,245.42 is: 51,397.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,924.55 : 90,973.80 = 37,245.42 : x
  2. Step 2: Convert to fraction form
    65,924.55/90,973.80 = 37,245.42/x
  3. Step 3: Cross multiply
    65,924.55x = 90,973.80 × 37,245.42
  4. Step 4: Simplify right side
    65,924.55x = 3,388,357,390.00
  5. Step 5: Solve for x
    x = 3,388,357,390.00/65,924.55
  6. Step 6: Final answer
    x = 51,397.51

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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.