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Finding the Fourth Proportional to 43,293.78, 64,929.33 and 19,592.10

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Solution

The fourth proportional to 43,293.78, 64,929.33 and 19,592.10 is: 29,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,293.78 : 64,929.33 = 19,592.10 : x
  2. Step 2: Convert to fraction form
    43,293.78/64,929.33 = 19,592.10/x
  3. Step 3: Cross multiply
    43,293.78x = 64,929.33 × 19,592.10
  4. Step 4: Simplify right side
    43,293.78x = 1,272,101,926.29
  5. Step 5: Solve for x
    x = 1,272,101,926.29/43,293.78
  6. Step 6: Final answer
    x = 29,383.02

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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.