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Finding the Fourth Proportional to 65,305.04, 97,925.09 and 20,926.02

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Solution

The fourth proportional to 65,305.04, 97,925.09 and 20,926.02 is: 31,378.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,305.04 : 97,925.09 = 20,926.02 : x
  2. Step 2: Convert to fraction form
    65,305.04/97,925.09 = 20,926.02/x
  3. Step 3: Cross multiply
    65,305.04x = 97,925.09 × 20,926.02
  4. Step 4: Simplify right side
    65,305.04x = 2,049,182,467.30
  5. Step 5: Solve for x
    x = 2,049,182,467.30/65,305.04
  6. Step 6: Final answer
    x = 31,378.63

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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.