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Finding the Fourth Proportional to 11,904.68, 17,842.62 and 8,594.84

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Solution

The fourth proportional to 11,904.68, 17,842.62 and 8,594.84 is: 12,881.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,904.68 : 17,842.62 = 8,594.84 : x
  2. Step 2: Convert to fraction form
    11,904.68/17,842.62 = 8,594.84/x
  3. Step 3: Cross multiply
    11,904.68x = 17,842.62 × 8,594.84
  4. Step 4: Simplify right side
    11,904.68x = 153,354,464.08
  5. Step 5: Solve for x
    x = 153,354,464.08/11,904.68
  6. Step 6: Final answer
    x = 12,881.86

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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.