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Finding the Fourth Proportional to 11,893.86, 17,829.99 and 4,964.58

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Solution

The fourth proportional to 11,893.86, 17,829.99 and 4,964.58 is: 7,442.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,893.86 : 17,829.99 = 4,964.58 : x
  2. Step 2: Convert to fraction form
    11,893.86/17,829.99 = 4,964.58/x
  3. Step 3: Cross multiply
    11,893.86x = 17,829.99 × 4,964.58
  4. Step 4: Simplify right side
    11,893.86x = 88,518,411.75
  5. Step 5: Solve for x
    x = 88,518,411.75/11,893.86
  6. Step 6: Final answer
    x = 7,442.36

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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.