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Finding the Fourth Proportional to 35,479.94, 48,962.65 and 19,564.96

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Solution

The fourth proportional to 35,479.94, 48,962.65 and 19,564.96 is: 26,999.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.94 : 48,962.65 = 19,564.96 : x
  2. Step 2: Convert to fraction form
    35,479.94/48,962.65 = 19,564.96/x
  3. Step 3: Cross multiply
    35,479.94x = 48,962.65 × 19,564.96
  4. Step 4: Simplify right side
    35,479.94x = 957,952,288.74
  5. Step 5: Solve for x
    x = 957,952,288.74/35,479.94
  6. Step 6: Final answer
    x = 26,999.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.