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Finding the Fourth Proportional to 65,071.61, 97,540.94 and 36,932.21

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Solution

The fourth proportional to 65,071.61, 97,540.94 and 36,932.21 is: 55,360.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,071.61 : 97,540.94 = 36,932.21 : x
  2. Step 2: Convert to fraction form
    65,071.61/97,540.94 = 36,932.21/x
  3. Step 3: Cross multiply
    65,071.61x = 97,540.94 × 36,932.21
  4. Step 4: Simplify right side
    65,071.61x = 3,602,402,479.68
  5. Step 5: Solve for x
    x = 3,602,402,479.68/65,071.61
  6. Step 6: Final answer
    x = 55,360.59

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Why These Related Problems?

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