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Finding the Fourth Proportional to 11,734.29, 17,574.84 and 8,239.95

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Solution

The fourth proportional to 11,734.29, 17,574.84 and 8,239.95 is: 12,341.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,734.29 : 17,574.84 = 8,239.95 : x
  2. Step 2: Convert to fraction form
    11,734.29/17,574.84 = 8,239.95/x
  3. Step 3: Cross multiply
    11,734.29x = 17,574.84 × 8,239.95
  4. Step 4: Simplify right side
    11,734.29x = 144,815,802.86
  5. Step 5: Solve for x
    x = 144,815,802.86/11,734.29
  6. Step 6: Final answer
    x = 12,341.25

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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.