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Finding the Fourth Proportional to 65,950.40, 91,016.01 and 37,260.11

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Solution

The fourth proportional to 65,950.40, 91,016.01 and 37,260.11 is: 51,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,950.40 : 91,016.01 = 37,260.11 : x
  2. Step 2: Convert to fraction form
    65,950.40/91,016.01 = 37,260.11/x
  3. Step 3: Cross multiply
    65,950.40x = 91,016.01 × 37,260.11
  4. Step 4: Simplify right side
    65,950.40x = 3,391,266,089.28
  5. Step 5: Solve for x
    x = 3,391,266,089.28/65,950.40
  6. Step 6: Final answer
    x = 51,421.47

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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.