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Finding the Fourth Proportional to 65,255.52, 97,897.86 and 20,884.93

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Solution

The fourth proportional to 65,255.52, 97,897.86 and 20,884.93 is: 31,332.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,255.52 : 97,897.86 = 20,884.93 : x
  2. Step 2: Convert to fraction form
    65,255.52/97,897.86 = 20,884.93/x
  3. Step 3: Cross multiply
    65,255.52x = 97,897.86 × 20,884.93
  4. Step 4: Simplify right side
    65,255.52x = 2,044,589,953.25
  5. Step 5: Solve for x
    x = 2,044,589,953.25/65,255.52
  6. Step 6: Final answer
    x = 31,332.06

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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.