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Finding the Fourth Proportional to 64,874.97, 97,326.57 and 19,896.35

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Solution

The fourth proportional to 64,874.97, 97,326.57 and 19,896.35 is: 29,848.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,874.97 : 97,326.57 = 19,896.35 : x
  2. Step 2: Convert to fraction form
    64,874.97/97,326.57 = 19,896.35/x
  3. Step 3: Cross multiply
    64,874.97x = 97,326.57 × 19,896.35
  4. Step 4: Simplify right side
    64,874.97x = 1,936,443,014.39
  5. Step 5: Solve for x
    x = 1,936,443,014.39/64,874.97
  6. Step 6: Final answer
    x = 29,848.85

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1.5x scale

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.