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Finding the Fourth Proportional to 64,045.80, 96,083.70 and 21,926.34

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Solution

The fourth proportional to 64,045.80, 96,083.70 and 21,926.34 is: 32,894.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,045.80 : 96,083.70 = 21,926.34 : x
  2. Step 2: Convert to fraction form
    64,045.80/96,083.70 = 21,926.34/x
  3. Step 3: Cross multiply
    64,045.80x = 96,083.70 × 21,926.34
  4. Step 4: Simplify right side
    64,045.80x = 2,106,763,874.66
  5. Step 5: Solve for x
    x = 2,106,763,874.66/64,045.80
  6. Step 6: Final answer
    x = 32,894.65

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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.